Saving money to invest because everyone was rich and no one thought that it would all end so fast
Each branch<span> is restrained by the </span>other<span> two in several ways. For example, the president may veto a law passed by </span>Congress<span>. </span>Congress can<span> override that veto with a vote of two-thirds of both houses. </span>Another example is that the Supreme Court may check Congress<span> by declaring a law unconstitutional.</span>
It would be the "Constitution" that was completed in 1787, since this came after both the Declaration of Independence and the Articles of Confederation, but before the Gettysburg Address.