Original sentence: His reputation underwent a renaissance during the Ronald Reagan Administration, but the ultimate assessment of his presidency is still divided between those who approve of his reduction of the size of government programs and those who believe the federal government should be more involved in regulating and controlling the economy
Edited sentence: His reputation underwent a renaissance during the Ronald Reagan Administration, but the ultimate assessment of his presidency is still divided between those who approve of his reduction of the size of government programs(mainly conservatives) and those who believe the federal government should be more involved in regulating and controlling the economy(mainly liberals and socialists)