Answer:
i only know , 31. which is A.
The answer is most likely D. Refused aid to any nation at war. If the U.S. remained neutral, it would not have to worry about going to war/being attacked by a nation at war with another.
Hope this helps! Brainliest is always appreciated!
Answer:
i think later i'm not actually sure
Explanation:
An archaeologist is someone who studies artifacts
Answer: Trade
Explanation: Islam origins began with trade and with the popularity of trade in the 13th Islam began to spread along the 13th century