The amazon river :) Hope I helped
Answer:a. increased; remained almost unchanged.
Explanation:
"The colonies were similar because they both contained people seeking new and better lives. ... The northern colonies were for mostly the middle class who could afford to live. Many people and immigrants came to America because they were poor and the most opportunities for jobs were in the south."
"The Middle colonies and New England had few slaves, while the southern colonies had africans as much of the population. Most southerners were poor men seeking work, while most northern immigrants were in the middle class. The colonies were similar because they both contained people seeking new and better lives."
I hope these help!:)
i thought i saw this kind of question somewhere. so, the answer to you question is Ambivalent