<span>United States decide to enter World War I </span>because of the Germans' decision to resume the policy of unrestricted submarine warfare,
Answer:
C, they wanted to expand their trading empire
The answer is poor cause they are not going to give very high quality to them
Explanation:
Truman and his military commanders knew that a mainland invasion if Japan would be costly and tens of thousands might perish, and among those casualtiea, there would still be Japanese civilian casualties, so Truman decided this would be a good decision for both sides.