What two factors led to the growth of trans saharan trade?

Q: a: which of woodrow wilson's proposals was included in the treaty of versailles?

Which of the following best describes the state of the us economy at the end of world war ii? a it was starting to come out of the great depression. b it was out of the great depression and doing better. c it was one of the most powerful economies in the world. d it was entering another recession.

What are the 6 steps in the scientific method