What are the 4 elements of free enterprise?

Which of the following statements is true about the treaty of versailles ?

How did the boston massacre contribute to the writing of the declaration of independence? a. many colonists began to see the british government as a source of protection. b. many colonists began to see the british government as a supporter of free speech. c. many colonists began to oppose the british government's building of forts on the frontier. d. many colonists began to fear the british government's harsh actions toward the colonies.

What impact did entry into ww1 have on life in the us?