Answer:
Reliable
Fox is relevant, but lies a lot.
blood letting can help, but ends with
death most of the time (ancient)
and an unusual source can be correct, but a reliable source is more often so.
There was tension in the politics of the nation which were largely due to differences in the economies of the North and the South. For the South, slavery was used as a labor source hence they supported slavery. The North on the other hand was opposed to slavery as it was largely urbanized. Different regions led to the creations of different economies.
The United states help Panama declare independence from Colombia then negotiated for the canal