Most people in the north believed that slavery is not a need for labor
When the country mobilized it’s troops, it gave the illusion it was going to attack it’s neighboring country. This caused an evacuation of that country.
Answer:
the third on it was a secret escape network for enslaved people seeking freedom
The United States wanted a method of export and transportation to and from the United States originally when Panama was a part of Colombia. This is why they helped Panama's revolution to become its own independent country. If they had good relations and Panama went as planned, the US could finally build the canal they wanted so badly. The canal now allows transportation of many of the goods we purchase and use today here in the United States.