The increased agricultural production of the 18th century can be traced to four interrelated factors:The increased availability of farmland.A favorable climate.More livestock.Improved crop yield.
The government is of course elected by the people during elections. where everyone ends up having an equal vote. The constitution is called the Grundgesetz. Where it sets out fight for the rights of the people, it ends up describing the main purpose of the President, the Cabinet, the Bundestag, Bundesrat and the Courts. The President is of course the head of state
I think it was Native Americans, I could be wrong though...
They made a term limit of two terms. Each term having four years. The President must also pass laws through the house and the senate until it can be approved. (Checks and balances)