Final answer:
Political parties appeared in the United States after the adoption of the Constitution due to differences over economic and political issues.
Step-by-step explanation:
After the adoption of the Constitution, political parties appeared in the United States because there were many differences over economic and political issues. This led to the formation of political parties as a means for people with similar ideologies to align and advocate for their beliefs and interests. The Constitution itself did not make provisions for the two-party system, but rather the emergence of political parties was a natural result of the diverse viewpoints and interests in the young nation.
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