Identify and explain which cause of World War I led to the assassination of Archduke Franz Ferdinand. Identify at least 2 events that motivated the United States to enter World War I.

i think your answer there is c

the answer is b your welcome : )

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

declare war, appoint military officers, sign treaties, make alliances