ANSWER!
Enlightenment philosophy and Great Awakening Christianity were very different, but both influenced the American colonies and American Revolution and both frame our thinking today. The Enlightenment — so named by its own practitioners, who didn’t lack self-esteem — is best thought of as a continuation of the Renaissance we read about in Chapter 2, with a strong emphasis on the Scientific Revolution, reason, and progress. Its practitioners adhered to the scientific method of testing hypotheses through rigorous, repeatable experimentation. Ancient Greeks, inventors of the first organized sporting events (the Olympics), also promoted hard-nosed, constructive debate and organized competition in law, politics, philosophy, and science.
If your talking about Abraham Lincoln he was the 16th president of the United States of America
The main issue that caused concern between the federal and state governments in the 1800s was Control over slavery.
<h3>Why was this the main issue?</h3>
In the 1800s, the issue of slavery was very contentious with the federal government being controlled at different times by pro and anti slavery politicians.
They therefore came into conflict with states on the issue of slavery with this eventually culminating into civil war.
In conclusion, option C is correct.
Find out more on federal v. state issues at brainly.com/question/5496965.