In what year was the declaration of independence signed?

1776

Explanation:

The signing of the United States Declaration of Independence occurred primarily on August 2, 1776 at the Pennsylvania State House, Independence Hall in Philadelphia, Pennsylvania. The 56 delegates to the Second Continental Congress represented the 13 former colonies which had declared themselves the "United States of America," and they endorsed the Declaration of Independence which the Congress had approved on July 4, 1776.

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