Answer:
the dorians invaded southern Greece
Explanation:
Answer: Yes. We were better over time but we became a poor country until people from all over the world started coming to seek a free country with a right of free religion. Then by the 1800's the US was becoming one of the richer country's across the world.
The monotheist traditions of Judaism, Christianity, and Islam - all born in the Middle East and all closely related to one another.
It caused further tension because of the uncertainty of slavery. The northern states feared that slavery would spread to these new territories, therefore causing tensions to rise between the country.