What role did the naacp play in the early civil rights movement?

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?

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 a result of the use of farming machines