Slaves, because when the slaves came over to the U.S.A. people among the states would fight and that could cause them to split which added more and more states.
The correct answer is letter D
“The Great Awakening”, in the decades from 1730 to 1740, which unified the religious forces in the colonies, a fact that was the first step towards their definitive unification. The movement consisted of preaching Protestant values, apparently forgotten by the inhabitants of the colonies.
The first American colony in Texas was Austin's County. It was founded in 1821 by Stephen Fuller Austin.
The event that resulted in the creation of NASA would be when the Russian's first launched the Sputnik into space and JFK told America that we will be the first on the moon and that we will not let the Russian's win this race. Which hence why we called it the space race.