As european nations became involved in world war i in 1914 united states was

Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.

Which is the correct order for events that eventually led to the collapse of the chinese imperial government

Powers of states the first letter of the answer is r.