Which action was unique about the 2008 presidential election?

1. It was the first election in which a woman had a very good chance of winning a major party's nomination.

2. For the first time, neither party nominated a white man for president.

3. Neither candidate had served in an elected office before.

4. The Republican party nominated an African American for the first time.

PLS HELP ASAP

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.