Which of the two competing theories about how and where humans came about would Donald Johanson, discoverer of Lucy, be most likely to support?

Multiple choice. what was one effect of the emancipation proclamationa. european nation side with the confederacy b. it ended slavery in the union c. african americans could serve in the union army d. ending slavery became a goal of the civil war for the union

What would lead a historian to consider two events to have a relationship of correlation rather than causation

In some african american communities, unemployment was as high as percent.