Answer:
Ronald McNair was nationally recognized for his work in laser physics and was one of the thirty-five applicants selected by NASA from a pool of ten thousand. In 1984, McNair became the second African-American to make a flight into space. He was a mission specialist on the space shuttle Challenger.
Explanation:
<span>Adam Smith was a proponent of "A. Wage Labor," since he was a strong proponent of the idea that people do much better work if they are incentivized by money. </span>
I think it would be 3)Kaczmarczyk
Territorial disputes with spain
