The preamble is pretty much the statement of why the constitution was created. It states it's purpose.
Oral history or oral tradition or legends
If its Bill then its Arkansas
Rome was the first to have a government style called a Republic that is not quite Democracy but was Ryder similar and gave the basis for many of the government styles we have today such as the US government.
It ruined most of their crops and most of the farmers left Georgia.
Hope this helped you:)