Taxes were an ongoing source of conflict for the American colonists because they were taxed without having representation in Parliament, which of course led to a lot of conflict for their rights.
Answer:
A.
Explanation:
They were all political thinkers and founding fathers during the American Revolution. None of them were ever president, and they weren't even alive when the colonies were founded.
The Union states had about 3 times the amount of land than the Confederate states did.
C. The increase in the use of coal as a source of heat and energy