What is the general life? what are some ways to promote the general welfare?

Health insurance is clearly a commercial activity occurring among several States. “power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defence and general welfare of the United States.”

Health insurance is clearly a commercial activity occurring among several States.

They made a checks and balance system to equal power within the branches. the "check" meant that one branch would watch one branch and "balance" them if they were too powerful. if you want more info on this, i would just google checks and balance system.