The choice that was not a factor is America gained European territory after the war and was able to export products to Europe and Africa without economic barriers. America in fact sent much aid to European nations under the Marshal Plan to help rebuild european countries.
Answer:
Mansa Musa developed cities like Timbuktu and Gao into important cultural centers. He also brought architects from the Middle East and across Africa to design new buildings for his cities. Mansa Musa turned the kingdom of Mali into a sophisticated center of learning in the Islamic world.
The atomic Bomb was dropped in Aug 06, 1945
Can you reupload the question with an attachment of the picture of the graph?