I really think Marcel Duchamp created that artwork because his art work is something like that, and is closer then all the other artists you have listed.
Answer:
joining the cointinental Army
The best way to measure public opinion is through opinion polls - B
With opinion polls you get an idea what is the general idea about a certain topic from the public, as you usually get a high enough sample to deduce the relevant information.
To answer your second question I would say it is either B or C as being a sole proprietor usually makes you subjec to being a small business or you're forced to use factors of production less efficiently.
Answer:
Good choice:
C. tax charged on each pack of cigarettes .
Explanation:
