What does potlatch celebrate?

The potlatch is a ceremony practiced among indigenous groups of the Northwest coastal regions of Canada and the United States in which families come together to celebrate births, give names, conduct marriages, mourn the loss of a loved one, or pass rights from a Chief to his eldest son

Explanation:

It was celebrated on births, deaths, weddings, adoptions, and other major events.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.