Why did president roosevelt refuse to work with president hoover

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.

According to the map, most mining occurs in the. part of the state

This document provides the framework for the united states government. it consists of three main parts: the preamble, seven articles, and 27 amendments.