Which term refers to an economic situation where only one company makes a product and is therefore able to fix the selling price?

a. anarchy
b. socialism
c. capitalism
d. monopoly

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.