Actually, the answer is B "the development of the hydrogen bomb" :)
Answer:
The Weimar republic was not strong
Explanation:
The weimar republic was made as a democracy and it didn't help the german economy. Unemployment rose and many people were discontent. The Weimar republic made Hitler become popular in the beginnings of his public speaking efforts.
It was a war between America and Russia but they never attacked each other. America believed Capitalism was better but Russia believed Communism was the best. They just argued back and forth and raced to see who could get the most weapons in the end.
