Why did northern republican support for reconstruction diminish in the 1870s?

Many Northerners believed that the South should be able to solve its own problems.

Many believed that the federal government had created conditions of freedom, and success was now up to blacks.

Many of the Radical Republicans who had established the reconstruction plan had died.

Explanation:

it was a act of seld fesnse more over it was a peace treaty between the fogein contunries.

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)