Answer:
The right answer is C.
Explanation:
Lousiana´s economy , as that of other southern states , was mainly agricultural and it flourished to a great extent thanks to slave labor force. Black people were forced to work in cotton, sugar and tobacco plantations, among others.
Many events started World War 1, but what specifically triggered it was the Assassination of Arch Franz Ferdinand of Austria. This event was probably the major cause, however, there were other causes such as nationalism (too much pride in one's country) and socialism as well as militarism.
Answer: Assassination of Arch Franz Ferdinand