Early civilizations such as mesopotamia and nubia emerged in regions that had

a. well-traveled mountain passes
b. fertile river floodplains
c. green desert oases
d. interconnected ocean waters

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.