Answer:
The rough terrain blocked its extension into eastern lands. The seas kept it from connecting with northern lands. The river systems blocked passage along the trade routes. The <u>mountains forced it to follow a central route.</u>
I think it would be Puerto Rico and the Northern Mariana Islands.
He proposed the Fugitive Slave Act in 1850, which was to send back runaway slaves from which who escaped from the southern states to the north. As this was a add onto the older laws this law punished officials who did not capture runaway slaves and bring them back to the southern states. In 1855 was found unconstitutional and was Nullified
