How did the growth of the US during this period
affect the US politically?

The United States developed politically through its Political Constitution which was an open letter so that such important factors as the Economy had the great progress it had, since as a result of how the political affairs of the country were taken wisely, the US market expanded at higher levels becoming a prosperous and productive nation. Its economic development was reflected in the great abundance of goods, in the growing industry, in the richness of its crops and the export of raw materials, in the textile industry, by the boost in the transport economy and the arrival of the railroad , as well as the Louisiana purchase, an action that represented the territorial expansion of the country.

Explanation:

The principle route in which the United States grew politically amid this time was that the Republican Party shaped as an abolitionist servitude stage, while financially the country prospered due to the development of railways.

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