Which of these was a cause of the war of 1812?

napoleon von aparte (idk his last name) declare war to every country in europe, causing that spanish colonies get independece

Explanation:

there were a variety of causes that led to the war of 1812. they include the following;

the practice of Impressment that is forcing men into military service.

British Orders-In-Council that intended to gain control of the neutral merchant shipping trade with Europe.

Indian attacks against American settlements since the British at the time was supplying Indian tribes of the Ohio Valley and the Great Lakes with weapons.

American expansion into the British and wanting to acquire Canada

American Sovereignty.America asserting its independence from Great Britain once and for all.

the year 2019 marks the 2115th anniversary of his birth.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.