That would be D slave trading
The continental congress was unicameral in nature to avoid disputes with in itself. As a bicameral congress can cause issues inside itself.
Answer:
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.
Back in the day japan started it in 1980