The second nation to test an atomic bomb was a. great britain b. china c. france d. the soviet union

There are no written records of the first migration of humans to the americas? true or false

Ireally have to get this done today and i'd appreciate any i could get, !

How did european exploration and expansion cause the african slave trade to expand? a. european explorers discovered the slave trade and expanded it across the indian ocean into south asia. b. arab armies captured european explorers and forced them into slavery. c. european traders shipped enslaved africans to work on plantations in european colonies in the americas. d. european explorers captured african people and forced them to work on their ships.