who were the first people to settle in what is now russia and ukraine?\nrus\nslavs\ngreeks\nvikings

Brief Explanations:

The Slavs were the first people to settle in what is now Russia and Ukraine. They migrated to these regions and established early settlements. The Rus were a later group that had an impact on the region's history but were not the first settlers. The Greeks had some interactions and colonies in the area but were not the primary early settlers. The Vikings also had influence but arrived after the Slavs.

Answer:

Slavs