Answer:
<em>The presidency of Herbert Hoover began on March 4, 1929</em>
Explanation:
Hope It Help you
Answer:
The book´s title is Principles of Geology and the author is Charles Lyell.
Explanation:
A. It was hard for them to find a job or get a raise.
The cost of running such programs are way too expensive.
Usually it is the invasions and communism