The answer is C. Garrett Morgan
An example of a single-issue party would be: Prohibition party
Single issue party refers to a party that created in political landscape to fight only for one specific issue. Prohibition party could be considered as an example of single-issue party because it was created specifically to oppose the sales of alcohol related products.
Answer : Autocracy . An autocracy is a government system in which the ruler has absolute power.
C.) Oil is the answer you are looking for