The answer would be mixed economy
Answer:
agriculture helped the human race because it let people take on other jobs and people were able to grow more crops
Answer:He could determine the provenance of the vessels.
Explanation:
The main reason why the US joined the war was because multiple attack on passenger and merchant ships with submarine attacks .The final straw was when the RMS Lusitania by a German u-boat going to Liverpool England .
Answer:
The Answer is C ( Although i am not sure)
Explanation: