How does the phrase ''the relationship deteriorated and within a few years the children of people who ate together at the first thanksgiving were killing one another contribute to the athor's purpose in the text

Did you forget to say that this question is about "The Plymouth thanksgiving story"

Answer and Explanation:

This quote aims to show how intolerance among the inhabitants of the American colonies was disadvantageous for the good coexistence between them. This intolerance was established both among pilgrims in relation to each other, and between pilgrims and indigenous people. The fact is, this intolerance, generated fights and conflicts and instead of establishing a united society that could celebrate its existence, it triggered conflicts where one was, literally killing the other.

letter a is the answer

a system of cooperative federalism emerged, as the powers of the federal government expanded.