Why did our "founding fathers" include the idea of "separation of powers" in our government? a) they did not want these powers to be controlled by just one man or one group. b) they wanted to make sure that congress would have more power than the other two branches. c) they wanted to make sure that the president would have more power than the other two branches. d) they wanted to make sure that the supreme court would have more power than the other two branches.