Do you mean Eli Whitney? If so, the cotton gin is your answer!.
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They believed the taxation was unfair and protested against it
Asian Americans were still considered underclass citizens, as many other American minorities were. Many believed that by fighting for America, they could gain the respect of the white citizens that oppressed them.
I believe the correct answer is B. This map shows the total area conquered by and controlled by Philip II.
Philip II was Alexander III's (Alexander the Great) father, and he started ruling Macedon in 359. His son succeeded him in 336 BCE, so he couldn't have possibly conquered everything in the map in just one year - those are all his father's victories (assuming you are referring to the map I've attached). Peloponnesian Wars and Persian Wars happened much before either one of them, so C and D are incorrect too.
i hope this helps
The Tet Offensive played an important role in weakening U.S. public support for the war in Vietnam.