Karl Marx contended that (the) were in constant tension with the Bourgeoisie over access to resource. a. underclass
b. minorities
c. women
d. proletariat

D.

Explanation:

Karl Marx in his theory of Class Conflict suggested that the society is in continouos conflict between different classes due to the limited resoucres.

During Industrial Revolution, he began to identify two groups of people that were in constant conflict-- Bourgeoisie and Proletariat.

Bourgeoisie, according to Marx, were the class of people who owned property,  were highly educated than the working class, and had great opportunities of having jobs with high income. These class of people, according to Marx, fall between the working class and the upper class, commonly known as middle class.

Proletariat, on the other hand, were the group of people who belonged to the working class. According to Marx, these were actually the people who provided the services and carried out the work in the society. Proletariat class of people have been, time and again, exploited by Bourgeoisie class.

Thus, the constant conflict of Bourgeoisie is with Proletariat. Therefore, the correct option is D.

what is the tax base for the sales tax?

it should be (usually ) 6%