Why was this period called the Era of Good Feelings?

probably because better things happened

Explanation:

Why was this period called the Era of Good Feelings?

Because of westward expansion and economic prosperity, the years immediately following the war would be labeled as the Era of Good Feelings. ... Most of the Federalists' power was concentrated in the Northeast, where opposition to the War of 1812 was the strongest.

mesopotamian code of hammurabi

and i think its 1860 b.c. you mean lol

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)