The U.S. and Ukraine have signed an agreement that will give the U.S. access to Ukraine's vast critical mineral resources.

The United States and Ukraine finally signed off on a deal, which gives Washington access to Kyiv’s rare earth minerals. This agreement will establish the ‘US-Ukraine Reconstruction Investment Fund. The Ukrainian side has called the newly-agreed treaty ‘equal and a good international deal’.

Kremlin spokesperson Dmitry Peskov warned Wednesday that "a whole series of nuances" needs to be addressed before Russia will agree to any U.S.-brokered peace deal.