What was the sudetenland and why did germany want to annex it?

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

How did the supreme court change as a result of ronald reagan's presidency? answers?

Which country was the last to join the allied powers? o great britain o france o united states o china