Which region of columbia is the least populated? valleys of river basins the region near the tropical rain forests llanos along the cauca and magdalena rivers

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.