Against which industry did the congress of industrial organizations' (cio's) newly formed union stage a successful sit-down strike in 1936?

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.

What did the washington naval conference, the nine power treaty, and kellogg-brains pact have in common

Which of these tribes were considered part of the plains culture? select all that apply. cherokee kiowa crow osage comanche apache seminole