One economic impact of the war of 1812 on the United States was

During the War of 1812, the American economy went through many changes. The British blockaded the eastern coast of the United States, which prevented the Americans from engaging in foreign trade. ... Decaying, centuries-old factories in the United States were restored and reused, while new factories were being built.

Explanation:

in griswold v. connecticut (1965), the supreme court ruled that a state's ban on the use of contraceptives violated the right to marital privacy.

the answer is mass marketing.