Answer:
the Appalachian Mountains
Explanation:
The Appalachian Mountains form a barrier and present a difficulty for those who want to travel the lands in an east-west direction. This hindered the expansion of British colonies in North American America towards the west, leaving that region decolonized for a long time, since the colonizers thought it best not to try to overcome the challenge, since the path was very incest, inhospitable and could present many dangers .
The correct answer is to nullify the Black Codes.
The answer to the question is C. The House and the Senate. Hope this helps you.
Abolitionist wanted to end slavery so it should be the second option, hope that helps
Nationalism sometimes thrives on conflict.-True