Ukraine managed to wrangle some more favorable terms out of the United States before signing the long-awaited minerals deal on Wednesday.

Ukraine signed a deal giving the United States control over a share of its future revenue from natural resources, a long-awaited agreement that Kyiv hopes will clear the way for continued U.S. support and a cease-fire with Russia.

Ukraine and the U.S. have signed a historic minerals deal, giving America access and investment opportunities in the Eastern European country's rare materials sector.