One reason was to start settlements in the americas
Answer:
its B : marginal cost
Explanation:
In economics, marginal cost is the change in the total cost that arises when the quantity produced is incremented by one unit; that is, it is the cost of producing one more unit of a good.
Four sitting presidents have been killed, all of them by gunshot: Abraham Lincoln (the 16th President), James A. Garfield (the 20th President), William McKinley (the 25th President) and John F. Kennedy (the 35th President).
The answer is b I’m pretty sure
