Which president adopted the doctrine that the "government is best which governs least" and abolished many judgeships, trimmed government economic planning efforts, and scaled back the armed forces?

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

plz give me brainliest!