<span>Federal laws override state constitutions and state laws</span>
Three organs
Legislature, executive and judiciary are the three organs of government.
Aggregate Supply (AS) Curve is a <span>graph shows the relationship between the aggregate price level and the aggregate quantity supplied over time</span>
I believe the answer is: positive externality
Positive externality refers to The benefit that enjoyed by a third party when the first and second party are conducting a transaction.
When you receive a vaccines, you prevent yourself from becoming a host that could contaminate other people from getting the virus. In the example above, you and your children are the first and second party. And other children are the third party.