I believe the answer is D, but it can be debated.
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:
I believe its b but im not for sure
Explanation:
hope the above photo helps you.
Answer: b
Explanation: Alexander Hamilton was trying to make advances in the manufacturing and technology of farms
