"we the people of the united states, in order to form a more perfect union, establish justice, insure domestic tranquility, provided for the welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this constitution for the united states of america. 1" which idea is expressed in this excerpt from the constitution? a. the structure of the government will change over time. b. the powers of government should be separated among ots branches c. it is more important for the government to run efficiently than to protect individual rights. d. an individual's right to justice is something the government can protect.