Imperialism: a policy of extending a country's power and influence through diplomacy or military force.
"the struggle against imperialism"
HISTORICAL
rule by an emperor.
EXAMPLE: ENGLAND TRYING TO TAKE OVER THE USA.
Answer:
through migration
Explanation:
because many people from arrived to area
they promoted a voilent socail revolutions
A . break a leg ! and plus it's the only one who really makes sense to me