Colin Powell???

Question

What were his hardest obstacles he had to overcome, and how did he over come it? Who were some of the important people and what were some of their most important experiences in their lives?

Answer 1

http://en.wikipedia.org/wiki/Colin_Powell

This site is pretty comprehensive on covering his life. I'm afraid that to finish your homework assignment, you'll have to do the rest of the work yourself.

Answer 2

http://en.wikipedia.org/wiki/Colin_Powell

I would try wikipedia. The article about Powell is incredibly long and, as far as I can see, pretty informative.