Answer:
One of the main things that Africa had was a self-government and town meetings, where people would meet to make their society better. They also started the majority rules in politics. Americans borrowed these ideas and implemented them into our government. :)
Washington and the first congress had to make numerous decisions about the new government, since there was no precedent--such as how to establish a cabinet, how the present would be greeted, whether the president would be present during sessions of congress, etc,
Yes the end of the 20th century was also the end of Western dominance in world history.