President Trump is attempting to leverage tariffs as a tool to address several key policy objectives:

1. Border security and immigration control: Trump is using tariffs, particularly on Mexico and Canada, as pressure to increase cooperation on border security and reduce illegal immigration into the United States14.

2. Combating drug trafficking: The tariffs are aimed at compelling Mexico, Canada, and China to take stronger action against the flow of illegal drugs, especially fentanyl, into the US15.

3. National security: Trump has framed the tariffs as a response to a national emergency, citing threats from illegal immigration and drug trafficking5.

4. Economic leverage: While not explicitly stated in recent announcements, Trump's tariff policy continues his long-standing approach of using trade measures to gain economic advantages and address trade imbalances23.

5. Domestic manufacturing: Historically, Trump has used tariffs to protect and promote US manufacturing sectors2.

6. Negotiating tool: The tariffs serve as a bargaining chip in international relations, as evidenced by the temporary deals reached with Mexico and Canada to forestall immediate implementation4.

7. Addressing intellectual property concerns: Particularly with China, tariffs have been used to combat issues like intellectual property theft and forced technology transfers5.

It's important to note that while Trump claims these tariffs will achieve multiple goals, including lowering food prices and promoting world peace2, many economists warn of potential negative economic consequences, including higher consumer prices and disrupted supply chains34.