It was the Mayans who built an ancient civilization, in what is now Mexico and Central America. They had an incredibly advanced civilization but were overcome by European settlers.
Answer:
d..........................
Some of the pull factor codes were things like the Homestead acts which were a series of acts on land allocation. For example, if you went westwards, the country would give you a huge piece of land which would become fully yours after five years of successful agricultural business.
I believe the answers are 1, 2, and 4
