During the 1930s the united states followed a foreign policy of isolationism. which is the best example of that policy? forbidding americans to travel overseas building up the nation’s armed forces avoiding alliances with other nations favoring great britain over the rising power of nazi germany

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.