In 1791, alexander hamilton presented to congress his famous "report on manufacturers," which proposed that young industries of the united states be granted import protection. hamilton was using the to justify protection.
a. scientific tariff argument
b. infant industry argument
c. cheap foreign labor argument
d. revenue argument

A. Scientific argument is the correct answer.

Explanation:

The tariff act of 1789 was made into law by president George Washington on 4th July, 1789. It was meant to function with Collection Act of 1789 to protect trade and raise revenues. Alexander Hamilton supported its enactment, he argued that the tariffs could help in encouraging the domestic industry. As other nations provided subsidies to their industries, the tariffs would protect US industries form the effect of these subsidies. He used the scientific tariff argument.

the us constitution is a living document, meaning that it can be changed over time as the country changes.