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.
Explanation:
The Proclamation broadened the goals of the Union war effort; it made the eradication of slavery into an explicit Union goal, in addition to the reuniting of the country. The Proclamation also prevented European forces from intervening in the war on behalf of the Confederacy.
Answer:
I think it's Gutenberg's press.
Hope it helped.
John Calvin
was the original founder of Theology Presbyterianism and John Knox and a catholic priest who was roman had studied John's findings and later brought the teaching's back starting from Scotland.
