What level of government has jurisdiction over a single population center

List two inventions that were invented in the united states before the american civil war

Which roman emperor was responsible for a major shift in the dominate religious attitude of the roman empire?

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.