WASHINGTON (AP) 鈥 President Donald Trump on Monday threatened Russia with steep tariffs and announced a rejuvenated pipeline for American weapons to reach Ukraine, hardening his stance toward Moscow after months of frustration about unsuccessful negotiations for ending the war.

The latest steps reflect an evolving approach from the Republican president, who promised to swiftly resolve the war started by Russian President when he invaded Ukraine three years ago. Trump once focused his criticism on Ukrainian President , whom he described as unwilling to compromise, but more recently has expressed growing irritation toward Putin.

鈥淢y conversations with him are very pleasant, and then the missiles go off at night,鈥 Trump said. He complained that 鈥渋t just keeps going on and on and on.鈥

Trump said he would implement 鈥渟evere tariffs鈥 unless a peace deal is reached within 50 days. He provided few details on how they would be implemented, but he described them as secondary tariffs, meaning they would target Russia's trading partners in an effort to isolate Moscow in the global economy.

In addition, Trump said European allies would buy 鈥渂illions and billions鈥 of dollars of U.S. military equipment , replenishing the besieged country鈥檚 supplies of weapons. He made the announcement in the Oval Office alongside NATO Secretary-General Mark Rutte.

Included in the plan are Patriot air defense systems, a top priority for Ukraine as it fends off and missiles.

Doubts were recently raised about Trump鈥檚 commitment to supply Ukraine when over concerns that U.S. stockpiles were running low.

Rutte said Germany, Finland, Canada, Norway, Sweden, the United Kingdom and Denmark would be among the buyers to supply Ukraine. He said 鈥渟peed is of the essence here,鈥 and he suggested that some weapons would be rushed to Ukraine and later replaced with purchases from the U.S.

Trump exasperated with Putin

Trump has long boasted of his friendly relationship with Putin, and he repeatedly asserted that Russia was more willing than Ukraine to reach a peace deal. He also accused Zelenskyy of prolonging the war and called him a 鈥渄ictator without elections.鈥

But Russia鈥檚 relentless onslaught against civilian areas of Ukraine wore down Trump鈥檚 patience. In April, Trump urged Putin to 鈥淪TOP!鈥 launching deadly barrages on Kyiv, and the following month said in a social media post that the Russian leader .

While Rutte was in Washington, Trump鈥檚 special envoy to Ukraine and Russia, , met with Zelenskyy in Kyiv.

Zelenskyy said he had 鈥渁 productive conversation鈥 with Kellogg about strengthening Ukrainian air defenses, joint arms production and purchasing U.S. weapons in conjunction with European countries, as well as the possibility of tighter international sanctions on the Kremlin.

鈥淲e hope for the leadership of the United States, because it is clear that Moscow will not stop unless its ... ambitions are stopped by force,鈥 Zelenskyy said on Telegram.

Talks on sending Patriot missiles

Russia has pounded Ukrainian cities, , with hundreds of drones and cruise and ballistic missiles that Ukraine鈥檚 air defenses are struggling to counter. June brought the highest monthly civilian casualties of the past three years, with 232 people killed and 1,343 wounded, the U.N. human rights mission in Ukraine said.

At the same time, Russia鈥檚 bigger army is making to drive back Ukrainian defenders on parts of the 1,000-kilometer (620-mile) front line.

Trump confirmed the U.S. is sending Ukraine more badly needed and that the European Union will pay the U.S. for the 鈥渧arious pieces of very sophisticated鈥 weaponry.

A senior Russian lawmaker, Konstantin Kosachev, said Trump鈥檚 plan had 鈥渙nly one beneficiary 鈥 the US military-industrial complex.鈥

Germany has offered to finance two Patriot systems, government spokesperson Stefan Kornelius said Monday in Berlin. The country has already given three of its own Patriot systems to Ukraine.

German Defense Minister Boris Pistorius was traveling to Washington on Monday to meet with Defense Secretary Pete Hegseth.

鈥淲e are determined to assume greater responsibility for Europe鈥檚 deterrence and defense, while recognizing that the contribution of the United States of America remains indispensable to our collective security,鈥 Pistorius told reporters.

'Weapons flowing at a record level'

A top ally of Trump, Republican Sen. of South Carolina, said Sunday that the conflict is nearing an inflection point as Trump shows growing interest in helping Ukraine fight back against Russia's full-scale invasion.

Although Trump had previously dismissed the effort as a waste of U.S. taxpayer money, Graham told CBS' 鈥淔ace the Nation鈥 that 鈥測ou'll see weapons flowing at a record level.鈥

鈥淥ne of the biggest miscalculations Putin has made is to play Trump," he said. "And you just watch, in the coming days and weeks, there鈥檚 going to be a massive effort to get Putin to the table.鈥

Kirill Dmitriev, Putin鈥檚 envoy for international investment who took part in talks with U.S. officials in Saudi Arabia in February, dismissed what he said were efforts to drive a wedge between Moscow and Washington.

鈥淐onstructive dialogue between Russia and the United States is more effective than doomed-to-fail attempts at pressure,鈥 Dmitriev said in a post on Telegram. 鈥淭his dialogue will continue, despite titanic efforts to disrupt it by all possible means.鈥

Economic pressure

Although Trump proposed targeting Russia with new tariffs, he expressed doubts about to punish the country even further.

鈥淚'm not sure we need it,鈥 he said. 鈥淚t could be very useful. We'll have to see.鈥

The legislation increases sanctions and places 500% tariffs on products imported from countries that buy Russian oil, gas and other exports. Trump on Monday proposed unilaterally implementing 100% tariffs.

鈥淚 use trade for a lot of things,鈥 he said. 鈥淏ut it鈥檚 great for settling wars.鈥

Since Dec. 5, 2022, when the European Union banned Russian oil, China has bought 47% of Russia鈥檚 crude oil exports, followed by India at 38%. Turkey and the EU have each accounted for 6%, according to the Centre for Research and Clean Air, a Finnish nonprofit that tracks the energy industry.

Zongyuan Zoe Liu, a senior fellow in China studies at the Council on Foreign Relations, doubted that tariffs would change the course of the war.

鈥淥il is fungible, and Russia has developed a nimble shadow fleet," he said. "So enforcement would be a challenge.鈥欌

However, the tariffs could still have a dramatic effect, depending on how they're implemented.

Adding a 100% tariff on China, on top of import taxes already in place, would essentially halt trade between the United States and China, the world's two largest economies.

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Associated Press writers Lorne Cook in Brussels, Geir Moulson in Berlin, Paul Wiseman and David Klepper in Washington and Katie Marie Davies in Manchester, England, contributed to this report.

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Follow the AP鈥檚 coverage of Russia's war in Ukraine at .

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