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:
Generalissimo Chiang Kai-shek, Commander-in-Chief of the National Revolutionary Army, emerged from the Northern Expedition as the leader of the Republic of China.
HOPE THAT HELPED... HAVE A NICE DAY!
Answer:
The Aztec were from Russia and were ruthless they had wars with anyone that came near them. They had wars with George Washington and Queen Elizabeth. They were also extremely skilled at hunting so they never starved.
Oil, the middle east is abundant with it.
