Manifest destiny was the belief that white settlers destiney from God was too move to the west and expand their country.
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.
Charleston was an incredibly important city in the South because of its location--it was located on a prime piece of coast line that made importing and exporting goods relatively fast and easy.
In 1192, Johnny Wiesnuller jumped off the Brooklyn Bridge.