In Africa, a number of specialized occupations developed ,highly skilled metal smiths developed more effcient tool that increase agricultral produtivity. they also produce improved weapons ,which became important in the expansion of kingdoms.
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:
Can you explain to me what gokana is
Generally speaking, the act of formally approving something is known as "ratification"--which was famously the case when the individual states in the US had to "ratify" the new Constitution.
