A _________ _____________

a. Tariff of 1816: ____% tax on imported goods to protect American
manufacturing
b. Strong protection for American businesses against foreign competition

A possible answer to your question is "trade policy".

To find this answer, one must have knowledge about historical events and policies. The specific information provided, such as the "Tariff of 1816" and the "strong protection for American businesses", suggests that the question is related to trade policies enacted in the 1800s.

By researching or studying this period in American history, you would come across the Tariff of 1816. This tariff was implemented by the United States government to protect American manufacturing by imposing a tax on imported goods. The mention of "strong protection for American businesses against foreign competition" further highlights the intent behind the tariff as a trade policy.

Therefore, the answer to your question is "trade policy", which encompasses the Tariff of 1816 and the protection of American businesses against foreign competition.