The holiday that was established in california in 1966 by scholar/activist dr. maulana karenga would be Kwanzaa. It is <span>a secular festival observed by many African Americans from December 26 to January 1 as a celebration of their cultural heritage and traditional values.</span>
I believe that they built the weapons needed for the war. When the men were gone to war the women needed jobs and money so they started to build.
The signing of the Declaration of Independence created the sense that war was inevitable because the Founding Fathers had tried to submit an "olive branch" to Britain previously without success, and it was clear that Britain would not let the colonies go without a fight.