Which methods of selecting officials led to the best leaders for China

What impact did the gi bill and the interstate highway act of 1957 have on the development of the suburbs

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.

Why are nation-states difficult to create?