What did tariffs encourage Americans living in the north to do with regard to buying goods

Tariffs encouraged Americans living in the north to buy domestic goods, that is, manufactured in the American territory, instead of buying imported goods, since these from tariffs had a higher cost for citizens, while American made goods were cheaper. This, in turn, encouraged American industrial production, which led to a process of productive substitution that allowed the United States to become the industrial power that it is today.

the answer is mass marketing.