The Republican Party platform stated that slavery would not be allowed to spread any further into the territories. The Republicans also promised to support tariffs that protected Northern industry, a Homestead Act granting free farmland in the West to settlers, and the funding of a transcontinental railroad.
In just a few decades it became more industrialized than the North
The key concept to explain the west's policy toward communist countries during the Cold War was "containment" This is what led to the wars in Vietnam and Korea.
Answer:
Greek city-states likely developed because of the physical geography of the Mediterranean region. The landscape features rocky, mountainous land and many islands. These physical barriers caused population centers to be relatively isolated from each other. The sea was often the easiest way to move from place to place.