The answer is imperialism.
Assimilation was considered one of the keys to successful imperialism. According to Oxfords dictionary, imperialism is a policy of extending a country's power and influence through diplomacy or military force.
Veto is when the government decides not to pass a law.
Answer:
There is no established convention for the designation of "developed" and "developing" countries or areas in the United Nations system.
Colder becuase of global warming