The red scare following World War 1 was caused primarily by fear of communist infiltration of the United States.
I think it is
D)The Alliance of 1778 between the U.S. and France ended
<h3>Answer: </h3>
Marie Curie was the scientist whose private papers had to be decontaminated for two years in the 1990's before being put on file at the National Library in Paris. Marie Skłodowska Curie was a Polish and naturalized-French scientist and chemist who escorted pioneering analysis on radioactivity. She said that being a historian is not without its jeopardies.
Explain how new inventions and innovations changed Americans' lives
there were two technological innovations that profoundly changed daily life in the 19th century: steam power and electricity. The railroad helped expand the U.S.. The telegraph, the telephone, and the typewriter brought people together that were far away.
hope that hint helped ❤
