When and where was the axum empire located, and what was it know for?

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

When the communist, under mao, took control of china in 1949 they announced total support support for which country and its ideology?