Answer:
The United States is not only justified but obligated to extend its power and protection to countries in need. As a world superpower, it is critical that we continue to protect and promote democracy and ensure political and economic security for smaller and less developed nations.
Step-by-step explanation:
a policy of extending a country's power and influence through diplomacy or military force.
"the struggle against imperialism"
HISTORICAL
rule by an emperor.
"in Russia, imperialism had developed alongside a semi-feudal agrarian structure"