Which of the following was a belief held by karl marx? a. a factory owner's only responsiblity to his workers is to pay fair wagesb. socialism is a new and revolutionary idea that no one has tried before. c. all of history has been a struggle between classes of people. d. individual owners should control most businesses in a country.

The correct answer is "C. all of history has been a struggle between classes of people."

Karl Marx was a German economist and socialist revolutionary who developed the theory of Marxism, which states that societies have developed a long time through class struggle. He attributes this to capitalism, where the ruling classes, which control the means of production enter in conflict with the working classes, also known as "the proletariat". This constant struggle would eventually lead to the fall of capitalism and the rise of a new system called socialism.  

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

d. she conquered the black sea coast and parts of poland.