My answers are
A. Spread of Buddahism
B. Spread of Christianity
F. Spread of Islam
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.
Answer:
C. to make sure America remains neutral and united
Explanation:
I just finished my test.
Because the communist and racist party