Final answer:
The War of 1812 affected America's relationship with Europe by increasing nationalism and a sense of independence. It also had an impact on the political parties.
Step-by-step explanation:
The War of 1812 had a significant impact on America's relationship with Europe. Prior to the war, the United States had been trading with both Britain and France, but both countries were violating American neutrality. The war triggered a wave of nationalism in the United States and led to a greater sense of independence and separation from European powers. It also demonstrated America's willingness to defend its sovereignty.
Politically, the War of 1812 had an effect on the two main political parties at the time: the Federalists and the Democratic-Republicans. The Federalists, who were largely opposed to the war, were seen as unpatriotic by many Americans and lost credibility. This contributed to their decline as a political party, and they eventually dissolved. On the other hand, the Democratic-Republicans, who were more supportive of the war, gained popularity and saw an increase in their influence.