Civil rights leaders believed the best way to bring about change involved protests, such as the Birmingham campaign.
At first we had nothing, then hunting. This eventually evolved into farming because it is easier.
Because the people who where farming where making the food, they controlled the population. This means that they started to give out specialized jobs to people to meet their needs. This cycle led to kings and queens then business.
In my opinion maybe 326 bc
The answer is the Preamble, the preamble outlined the founding fathers intentions and was the introduction to the constitution. hope i helped, tag me if you need help