Why do they call it a pair of underwear when it's just one

good question lol

Explanation:

“Pair,” from the Latin, means two like things. And pants (pantaloons) were originally two like things. You put them on one leg at a time because they actually came in two pieces. ... From the beginning, about the 16th Century, pants have been referred to as a pairExplanation: Internet:)

they were treated very badly. they were targeted by white supremacists and other groups, like the klu klux klan, even after coming back to the country as veterans. they were seen as inferior and gave the african americans new found motivation to fight against this racial injustice. 

a. factors that are used to make goods and services