<span>In the Jacksonian party system, congressional caucuses were replaced by party conventions for nominating presidential candidates. The Jacksonians are sometimes called the second party system; it is created around 1824 by Andrew Jackson who has his first run for the presidency. The party convention was created to replace the caucus.</span>
It was "The Great Compromise" that the Framers made at the beginning of the Philadelphia convention, which established two houses in the legislature: the House of Representatives and the Senate.
One of the ways in which the Apollo 11 flight plan could be seen as a historical document is if it is used as some kind of primary source. Technically, any document written in the past is a historical document.