Answer:
Electric power first saw commercial use in the 1870s.
Heian Era: peaceful and encouraged art.
Shogunate Era: violent, unstable and
supported inequality among social classes.
3/4 of immigrants who came to the Chesapeake colonies came as Indentured Servants.
An example can be the Missouri Compromise. According to it, a line was made and it was decided which countries could have slaves and which not. Now, it was considered to be a relatively good compromise because it helped the Union stay together, but watching it from the modern times it was most certainly not a good compromise because any compromise that establishes slavery anywhere is definitely not a good one.
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.