<span> a law passed by </span>congress<span> in </span>1974<span> to allow the Environmental Protection Agency to regulate the quality of public </span>drinking water<span>.</span>
He began exploring North America in 1603
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.
Republicans, Because Abraham Lincoln won the election and he was in the republican party. Hope this helps :)