Why did some americans (both north and south) oppose equality for all african americans?

What was the most explosive issue facing the united states prior to the start of the civil war?

To encourage railroad companies to build railroads across the west, the government gave them subsidies by select the best answer from the choices provided. a. paying the wages of laborers b. giving them building materials c. providing railroad trains d. providing free land

During world war ii, the battle of the coral sea was significant because it