How much in total did it cost to expand westward

According to thomas hobbes concept of the social contract, what do people exchange for the protection by the government?

Which of the following is a good way to avoid aggression on the road ? a.gripping the steering wheel tightly b.taking some deep breaths c.turning up the temperature

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.