The US Constitution is referred to as the supreme law of the land.
They were used as slave labourers
I believe your answer is B. Right to work, because A, B, & C are all mentioned inside the US Constitution
hope this helps
Answer:
It included income tax, and Tax amendment
Explanation:
Northerners in America, due to the new rulings of Henry Clay's Compromise of 1850, were required by law to abide strictly by the Fugitive Slave Law and report any runaway slaves they encountered to the proper authorities. This was especially stressing to the many abolitionists in the region.