Which clause allows congress to execute its powers

7. how did the early egyptians use the flooding of the nile river to their advantage? they diverted the water to flood their enemy's lands and destroy their crops. they created an easier way to travel to the mediterranean sea and the indian ocean. they established a new water-based athletic event for the ancient olympics in greece. they devised an innovative irrigation system, which created a surplus of food.

What was the focus of the stanford study-pls

The irish and germans of the 1840's were part of the new immigration. true or false