What main factor distinguishes eastern from western europe

What city of ancient russia was heavily influenced by the byzantine merchants?

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;

By choosing to resupply fort sumter, abraham lincoln risked a. abandonment of the fort by union soldiers. b. abandonment of the fort by confederate soldiers. c. the appearance of giving in to confederate secession. d. armed conflict with southern soldiers.