The cotton gin allowed for the mass production of goods.
For your question, the answer is D
It was primarily "Valley Forge, Pennsylvania" that served as the headquarters for General Washington’s troops during the winter of 1777-1778, which was an incredibly brutal winter in which many people died of exposure.
Answer:
Writing began to disappear and the standardized weights and measures used for trade and taxation fell out of use. Scholars have put forth differing theories to explain the disappearance of the Harappans, including an Aryan Invasion and climate change marked by overwhelming monsoons.
Explanation:
