Nine states need to approve a law before it could be passed. The reason why is because of wanting to protect the individual states power, and the fear of a strong central government.
About the second question: the correct answer is: C. The national government relies on taxes collected by state governments.
The taxes collected by the state government stay in the state government and the federal government relies on the federal taxes.
The first question: I don't know the options, but some options are: contributing to conflict solution, conflict mediation and making sure that all the members are included and respected
4*30
120 pints per day
Tom drinks 120 pints in 30 days