Great question...
Centre UA, New Citizen, & Chesno are three Ukrainian groups that were receiving large sums of money from USAID and the Congressionally funded National Endowment for Democracy as early as 2010. The Ukrainian groups receiving the US aid money specifically targeted MPs from the Party of Regions in the eastern half of Ukraine as well as President Yanukovitch.
As well they should have, given his attempt to become Putin-lite.