advocacy or political independence for a particular country
National border is the type of border among the following choices given in the question that would likely have the most protection. The correct option among all the options that are given in the question is the third option or the penultimate option. I hope the answer helps you.
The anwser is A 100 percent
Explanation: You can look it up, they settlers wanted to travel west for a better living
In reaction
to the fugitive slave law, most of the people in the north showed open defiance
to the law and devised means to support the Underground Railroad to Canada. It
is reported that they formed committees to facilitate the transport of African
American slaves to Canada through the Underground Railroad.
