One reason the roman empire was difficult to conquer

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.

What is the result of americans’ tradition of joining interest groups? a decline in political parties a large number of interest groups of all sizes a few large interest groups a large number of equally funded interest groups

Plz- which of the following explains the growth of fundamentalism in the 1920s? -fundamentalism encouraged racial pride and inspired a "back-to-africa" movement. -americans were uneasy about rapid social change and supported traditional religious beliefs. -americans wanted to increase women's opportunities in the workplace following world war i.