What issue did northern and southern whites differ in the west in 1820?

The Manifest Destiny plan caused the northern and southern people to get closer to the civil war

Explanation:

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.

the people resposnsible for the advancement of telvision are

at& t bell labs   they made high quality tv  

it shape america today in goods wys and on goods ways

pros are it the watcher open creatiity in there mind and get creative ideas

cons it the watcher get lazy making them just want to watch tv not get excerise and sit around