I hope this answers your question correctly. 1. fewer volcanic eruptions and 2. Industralization & Anthropogenic pollution caused by greenhouse gases
The surrender was made unconditional and that led to the formal end of the war, that is, World War II. ... So, concluding that the atomic bombing over Japanese cities Hiroshima and Nagasaki led to the enforced surrender of Japan.
The main aim was a; the enforcement acts were passed by congress to protect the rights of African Americans.
Your answer is C) many nations relied on us investment capital that dried up after the crash.