Doing your homework, finding out how you learn best, and organizing a schedule on when you can finish your homework and study.
I also recommend using quizlet it really helps.
Obama is a good leader, because he is trying to bridge the gap between the rich and the poor. A wide gap between the rich and the poor is never good. We can look back into history to see this. For example, in the Tang Dynasty, the rich got out of their taxes, so the poor had to pay more, which widened the gap. The dynasty soon fell. While it may not be working completely yet, Obama is doing all he can to fix this problem.
Side note: This is a very democratic stance on American politics, however it is more of a democratic question, as Obama is a democrat.
Bodies of water, specifically rivers.