In what year did the house un american activities committee investigate the movie industry in an attempt to root out communist sympathizer

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

Why did einstein write a letter to president roosevelt

Between 1820 and 1860, the united states received a huge number of immigrants from european nations. on the map, identify the state where the most immigrants moved in search of jobs.