we the people of the United States, in order to form a more perfect union, establish justice, ensure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity he, do ordain and establish this constitution for the United States of America. Which idea is expressed in the excerpt from the constitution? A. The structure of the government will change over time B. it is more important for the government to run efficiently than to protect individual rights C. and individuals rights to justice is something the government can protect D. The powers of government should be separated among its branches