Please help this test has to be done TODAY) what are socialism, communitsm and capitalism

A) philosophies develop in ancient greece and rome

B) methods of organizing industry and interational trade

C) economic and political theories that developed to cope with the great depression

D) economics and political theories that developed in the 18th and 19th centuries

Business owners take great risks when they invest in equipment and workers to produce goods. they are committed to finding the best ways to run their business and should have control over production and profits. in the end workers and the public will benefit. who would be the most likely to agree with that statement? a. robert owen b. keri hardie c. karl marx d. adam smith

African-american soldiers in world war ii sometimes felt they were ? ghting for two victories, one abroad and one in europe true or false

Brainliestttme : ) what demographic changes occurred after world war ii?