How did region/country of origin change in each era of US history? What factors might explain these changing patterns?

Hich explains why the constitution gave congress the power to create a system of federal courts? the constitution wanted congress to share power with the judicial branch. the constitution anticipated the need for courts lower than the supreme court. the constitution wanted congress to share power with the appellate courts. the constitution anticipated the need for courts equal to the supreme court.

Which part of the map is the subregion europe

The answer because i don’t know it someone