I'm not 100% sure, but I think central.
They exited the war benefiting the Germans huge because all their troops were on one front and not divided
The Constitution created the Supreme Court and gave the power of establishing other courts to the Congress. ... The power given to courts to interpret the law is called jurisdiction. The jurisdiction granted to the judicial branch is limited to federal and constitutional laws.
It symbolizes the readiness of the United States to protect
its territories with the use of force if need be. After its westward expansion, the U.S. was
now able to exert its full authority in the continent and made it clear that it
would not tolerate any interference from outside countries on its territories.