Answer:Dorothy Vaughan, Mary Jackson, Katherine Johnson and Christine Darden, four African American women who participated in some of NASA's greatest successes.
Explanation:
The fall of the Berlin Wall in 1989, and the dissolution of the Soviet Union in 1991
17-19 80-90 that way you can multiply the years
The rise of christianity in the Roman Empire was different to that of medieval Europe.
In the Roman Empire, christians were persecuted at the beginning and very slowly increased the amount of people who believed in their god. However, as time passed, more and more people identified themselves as belonging to the christian religion.
In medieval Europe on the other hand, christianity became popular much faster, as there was not that much opposition, compared to the times of Roman empire.
The purpose of the Albany plan of union was to create a unified government for the Thirteen Colonies, suggested by Benjamin Franklin. The Albany Plan of Union wanted to place the <em>British North American </em>colonies under a more centralized government.
