To force someone to serve in the military is called drafting
The first battle,Fort Sumter had a major impact on the south therefore causing the south to secede from the U.S,the battle of Gettysburg helped the north pushed back the south badly causing critical casualties towards the Confederate army,hope this helped
Answer:
Japan decided to expand it's empire to obtain resources.
Explanation:
Japan was forced to trade with foreign powers, but didn't have many resources to trade, so Japan was essentially forced to trade things it didn't have. Because of this, Japan was forced to obtain resources. The best way to obtain resources is to invade a neighboring country that does have those resources.