How did political parties change over time since the early republican? PLEASE I NEED THIS ASAP

Another common reason why political parties change over time occurs when their supporter base changes. Basically this is due to the party changing their policies which attracts voters that normally would not have voted for that specific party and alienating their previous voters who do not agree with the policy shifts.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism

35 is your answer because i looked it up