It was a vital commercial and military trail.
Answer:
b. Conservative white Democrats who wanted to regain control of the South
Explanation:
Answer:
b. the marginal social benefit to exceed the marginal private cost of the last unit produced.
Explanation:
<u>Positive Externality-</u>
Positive Externality occurs when production or the consumption or of the good causes benefit to the third party.
For example, when the individual consume education in order to be uplifted and get a benefit but this education also benefits the society by uplifting the whole society.
<u>Positive externality causes the marginal social benefit to be greater than the marginal private benefit.</u>
The answer is selective incorporation which is letter b. It is
a principle written into the Constitution that safeguards American citizens
from their states’ ratifying of laws that could break upon their rights.
Selective incorporation is not an act or a law, but a doctrine that has been recognized
and established time and again by the United States Supreme Court. Fundamentally,
selective incorporation allows the federal government to place limitations on
the states’ lawmaking power.
I think option 4, to explain where black holes are located