(LONDON) -- The U.S. and Ukrainian governments touted the signing of a controversial minerals sharing deal as a launchpad for expansive bilateral economic cooperation -- and as a signal of America's long-term investment in a free Ukraine.
American and Ukrainian representatives signed the accord in Washington, D.C., on Wednesday after months of tense negotiations, President Donald Trump long having framed the proposal as means to recoup more than $100 billion worth of aid given to Kyiv since Russia launched its invasion three years ago.
"This partnership allows the United States to invest alongside Ukraine to unlock Ukraine's growth assets, mobilize American talent, capital and governance standards that will improve Ukraine's investment climate and accelerate Ukraine's economic recovery," Treasury Secretary Scott Bessent said in a video announcing the deal.
Details of the agreement were later shared online by some members of Ukraine's parliament, with Prime Minister Denys Shmyhal expected to present the deal to the body -- known as the Rada -- on Thursday. Shmyhal this week previewed some parts of the agreement, saying it would not undermine Ukraine's potential for accession to the European Union.
The draft published by lawmakers does not include any explicit U.S. security guarantees -- long one of Kyiv's primary demands. However, the agreement "guarantees new deliveries of American weapons, including air defense systems -- their cost will be credited to a joint fund," according to Mykhailo Podolyak, an advisor to President Volodymyr Zelenskyy.
Ukrainian Foreign Minister Andrii Sybiha said Thursday that the deal "marks an important milestone in Ukraine-U.S. strategic partnership aimed at strengthening Ukraine’s economy and security."
Podolyak said the deal meant "Moscow has lost: Putin’s attempt to offer the U.S. a stake in the occupied Donbas’ mineral wealth has failed. We are strengthening alliances, securing resources to continue our resistance and forcing the world to see Ukraine as an equal player."
"To sum up, the key outcome of this agreement is that the world’s leading power has become a co-investor in Ukraine," Podolyak wrote.
The deal will need to be ratified by the Ukrainian parliament, members of which suggested on Thursday it was too early to fully evaluate the agreement.
"Judging by the statement of the prime minister, it is better than the initial version," Oleksandr Merezhko, a lawmaker representing Zelenskyy's party and the chair of the parliament's foreign affairs committee, told ABC News.
"It seems like we have managed to dodge Trump's idea to turn the previously-provided U.S. military and material aid into Ukrainian debts," he added.
The lawmaker suggested it was too early to say whether the deal represented a win for both Kyiv and Washington.
"It seems like Trump put pressure on us in an attempt to get a victory in his first 100 days in office," Merezhko said. "The devil is in the details. But politically there are upsides. First, we have improved relations with Trump for whom it's a win."
Other members of parliament suggested that ratification would not be immediate. "I would really like to see the final document of the agreement," lawmaker Oleksiy Goncharenko wrote on Telegram.
Lawmaker Yaroslav Zheleznyak, meanwhile, suggested it may take until mid-May for the parliament to vote on the minerals agreement -- "and that's only if everything is submitted to the Rada on time," he wrote on Telegram.
In Russia, Dmitry Medvedev -- the former president and prime minister now serving as the deputy chairman of the Russian Security Council -- framed the deal as a defeat for Kyiv.
"Trump has broken the Kyiv regime into paying for American aid with minerals," Medvedev -- who through Russia's invasion of Ukraine has become known for his hawkish statements -- wrote on Telegram. "Now they will have to pay for military supplies with the national wealth of a disappearing country," he wrote.
Nonetheless, Bessent said the agreement "clearly to Russian leadership that the Trump administration is committed to a peace process centered on a free, sovereign and prosperous Ukraine over the long term, it's time for this cruel and senseless war to end the killing must stop."
Bessent also said this deal was because of "President Trump's tireless efforts to secure a lasting peace."
ABC News' Oleksiy Pshemyskiy, Nataliia Popova and Michelle Stoddart contributed to this report.
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