In the early 1800s, the Northern region industrialized more than other regions of the country because it allowed protective tariff, access to multiple waterways, and the presence of financial capital.
The Southern economy was based on agriculture, (due to the climate) the South had a smaller and more spread out population than the North.
"A new fugitive slave law would be enacted" was not specifically a provision of the Compromise of 1850, although it should be noted that one of the provisions was that the slave trade would be abolished in Washington D.C. <span />