Answer: It contributed to shortages of weapons and food.
Explanation:
As soon as the Civil War broke out, the President Lincoln ordered the Navy to blockade Southern ports so that they would not be able to get supplies from sympathetic nations.
The blockade had the desired effect because it contributed to shortages of weapons and food and ensured that the Union had significantly more resources to fight than the Confederacy did throughout the war.
Answer:
It contributed to shortages of weapons and food
Explanation: