Concerns about Constitution
In Observations on the New Constitution, Warren expressed the concern that the Constitution set no limits on the power of the judiciary and contained no rotations of offices or term limits for federal officials.
A.
After the Civil War Abraham Lincoln was just the first of many US Presidents to encourage immigration through economic and politic measures (one of them was to give free land to anyone willing to work it). The country needed people to rebuild itself and to settle the west of the continent. And everyone was aware that there is plenty of space.
Answer: silk road
Explanation: The silk road was very helpful because that was where they got all their resources from
