The declaration of independence expresses principles about human rights, liberty, and equality, but ideas cannot enforce themselves. what are some ways the constitution makes those principles work in real life?

Explanation:

It helps in setting boundaries for the judiciary, legislature, and the executive by separating powers in the three branches of government, this way each different branch will make sure the other branches act correctly according to the constitution. Also, there's a constitutional court that makes sure the interpretation of the constitution is correct and that laws passed are aligned with its mandates, in the United States this is the job of the Supreme Court.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

answer; collective security;