What were the major land acquisition that helped the united states expand to the pacific ocean?

Why did the south decide to fight a defensive war 1.to protect their plantations 2.to make the north look like the aggressor 3.to take advantage of their knowledge of the land 4.to make maximum use of the limited transport system

Brainliestttme : ) why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology. - it made clear that the u.s. space program was dominant. - most in the soviet union had not thought the u.s. was capable of launching manned aircraft. -it established the fact that a more dangerous hydrogen bomb could be created.

How was the cottage industry different from the factory system? products were made quickly and cheaply. products were made by machines. products were crafted by people with years of training. o products were made on a large scale.