Group 1 - Ukraine's attractiveness to the U.S. is rapidly declining due to territorial losses and valuable resource control, leading to uncertainty in agreements between Kyiv and Washington [2] - The loss of the Shevchenko village in Donetsk, which contains a significant lithium mine, has drawn U.S. attention as lithium is crucial for high-tech production, including batteries [3][6] - The U.S. and Ukraine had previously established a resource agreement to reduce dependence on China for rare earth metals, but ongoing military advances by Russia have disrupted these plans [3][4] Group 2 - The Shevchenko mine, despite its small area of 40 hectares, is one of the largest lithium mines in Europe, with high-quality ore comparable to Australian sources [7] - The mine has estimated reserves of about 500,000 tons of lithium, which is significant compared to Russia's total lithium reserves of approximately 3.5 million tons [7] - Ukraine has lost half of its lithium mines, but there are still opportunities in regions like Zhytomyr and Vinnytsia, which contain titanium and zirconium reserves [9] Group 3 - The U.S. may still retain interest in resource agreements, albeit in a different format, as these minerals are strategically important and scarce [9] - Ukraine plans to develop remaining reserves, with the Dobro lithium mine in Kirovohrad region potentially being prioritized [9]