The answers are:
- The Federal government is the only level of government that is allowed to print and coin money.
It is important for us to centralized the print and coin money in order to control the rate of inflation. (if there are too much money circulated in the market, the value of our currency will fall)
- Private property rights can be regulated by government.
For example, the government can impose different tax rate depending on how much land we own.
- The Federal government does not redistribute income.
When we pay taxes, the government will use that to fund their welfare programs. This is a way for the federal government to redistribute our income.
- The Federal government can restrict the purchasing of goods.
If the goods are proven to be harmful for the consumers, the federal government can restrict the purchase of that goods.