Answer: I believe it's B or D
Explanation:
Based on the passage, what conclusion can you draw about the advancement of ancient Egyptian civilization? Before the start of trade practices, Egypt was a poor and underdeveloped country. Without the Nile River, ancient Egyptian civilization could not have developed so quickly.
Because I am not exactly sure what war you are talking about, I will answer the question as if it were World War II. The Attack on Pearl Harbor is the main reason the U.S. joined the war (WWII).
I hope this helps.
<span>economic system with a central authority that makes the major economic decisions</span>