A communist system of government is an economic system where the government plans and controls the economy with a single party governing and administering power that is authoritarian in nature. The state controls are imposed with an elimination of the privatisation of property or capital with a claim to make progress towards a higher social order where goods and services are equally shared among the people i.e, the classless society.
I'm pretty sure that the answer is 'the Romans"
Despite its importance in the integration process, little work has been done on the economic effects of naturalization in the United States.