Which of this is an example of how the us constitution protects the free enterprise system

The code talkers work contributed mostly to

What was the main point of helen hunt jackson's book, century of dishonor? a.it showed how unfairly american settlers were treated by the us government. b.it proved that american government was not responsive to the will of the people. c.it made the point that free land was no longer available to new settlers out west. d.it outlined the poor treatment of the native americans by the government.

Made up of nato and cento a: communist countries b: democratic countries