Homework and studying

What role should parents play in their children's school lives ? Are homework and studying useful ? Does that mean discipline is not important during the homework and study period ? How can we prevent homework and studying from becoming an all-out battle ? Can parents help children learn how to learn ? What are the main learning strategies we should make children aware of ? In dealing with homework are boys really different from girls ? Girls and homework: is it always easier for them ? My child often forgets to write down what he is supposed to do so we never quite know what his homework is. How should we react ? My child's teacher is known for giving a lot of homework and it takes my child two to three hours to complete it. What can I do ? ... and the ones your children ask you. What's the point in doing homework if the teacher doesn't even correct it ? Why should I be forced to read if I don't like it ? ... and many other questions !