I'm going to say C since I looked up the question, but warning you , I may be wrong
Well countries typically allied with their neighbors because they usually had close relations like for instance Britain France and Belgium where all huddled together in west Europe while Germany was close to with Austria Hungary and both had good relations with the ottoman empire. because all of these countries were close together sometimes things got heated and with all of these alliances it was easy for all of these countries to fight each other.
The correct answer is the fourth one.
Hoovervilles were shantytowns which appeared during the great depression for unemployed people who were evicted from their homes.
The term "Hooverville" comes from the president in turn during this economic crisis Herbert Hoover, who was therefore widely blamed for it.
as the depression worsened, hundreds of thousands of people settled in hoovervilles, mainly at the skirts of big cities during the decade from 1930 to 1940
In 1932 president Hoover lost the election to Frankling Roosevelt whose new administration helped lift US out of the great depression. Hoovervilles were eventually torn down in the early 1940´s
I think it is the United States Office of War. Hope it helps!
