A policy of extending a country's power and influence through diplomacy or military force.
OR
rule by an emperor
Answer:
The War of 1812 took place between 1812 and 1815. It was a conflict between Great Britain and the United States which was triggered by British interference in American trade. The battles of the War of 1812 were fought on both land and sea.
Explanation:
Im not sure but I think it was the beginning of modern warfare.
