Aztecs were located in north america, particularly modern day mexico
Tariffs hurt the south because they ended up paying more money, as they bought many goods from the North. The south hated tariffs and thought they were unconstitutional
Because of the animals they where following in their groups
Answer:
Beringia
The answer is Beringia. It is thought that about 30,000 years ago, there was a land bridge that brought humans from Asia to North America called Bering Land Bridge. Hope it helps!