What is the earliest document to which the us can trace its democratic heritage

Germany began the 1930s with an extremely weak economy, but the nazis soon established adictatorship; as a result, the government could pursue militaristic policies without fear of opposition. bycontrast, japan entered the 1930s with a relatively strong economy but a divided government; manypowerful japanese officials opposed military expansion.

Amendment 10, all power not specifically given to the gov't goes to the states.checks and balances thats the main one.