In cities such as New York, Chicago, and Cleveland black middle and upper classes emerged. The correct answer is A.
Slavery, and invention of the cotton gin, the internal conflict within the Congress
I think you worded your question wrong. All of them except C are true. So if you’re looking for the false one, the answer is C.
The difference between the use of Join or Die in 1754 and 1765 is that Franklin had designed it to unite the colonies for 'management of Indian relations' and defense against France, but in 1765 American colonists used it to urge colonial unity against the British.