I believe it is the Albany Plan of Union
From what I know of the book, it was a critical success but did not resonate with the public the way Sinclair wanted it to. The government took notice and tried to better regulate the meat industry. Working people, however, were not drawn to it the way had hoped.
His ideas helped in many ways but most importantly his belief in Religious and freedom from government sponsored religion influenced the 1st Amendment to the Constitution. The 1st Amendment (Bill of Rights) protects citizens from having their government dictate religious practices.
Boys were to go out and help; gathering supplies, hunting, contributing to their community and family
Girls were to stay home and help out with the other women of the household, to make the food, etc.
