D. They worked as agriculture laborers.
Answer:
Marx's theory of society is based on the belief that he believes that the ruling class make all the money as they exploit the working class and pay them with low wages.
Answer: Tiit -for -tat strategy
Explanation:
Tiit -for -tat was introduced by Anatol Rapoport. He developed a strategy in which each participant in follows a course of action consistent with his opponent's previous turn. In other words, the opponents previuous moves are mimicked.This is an action is of mutual benefit. This strategy is an example of reciprocal altruism and cooperation.
Answer:b. There is no way to filter out all illegal content but still allow access to constitutionally protected materials.
Explanation:
Sometimes trying to filter out negative content may require extensive filtering which may even prevent access to materials which are useful and actual protected because filtering may include exception of certain words for example which shouldn't appear when one searches the internet however those word may also be used in a protected information which doesn't carry explicit and harmful information so it end up being difficult to filter these words out.