The six purposes of the government are as follows: 1- to form a more perfect union. 2- establish justice: by fair and reasonable laws and punishments 3- insure domestic tranquility: this means protecting Americans from other Americans 4- provide a common defense: to protect Americans from any outside forces 5- promote a general welfare for the benefit of citizens 6- secure the blessing of the liberty: this means that citizens have the legal right to life, liberty and pursuing happiness.