I would have to say C. Though take that answer with a grain of salt.
Actually, Hitler took control of a very desperate Germany after ww1 when they were dramatically left in pieces. He began to put a thought in his head that he could control the whole world and make them pay. To serve as a message, he began to wipe an entire race, known as Jews. These Jews were put in camps called concentration camps to either be burned or be worked to death. During the Battle of Burling Hitler married his soul mate and committed suicide 2 days later so he wouldn't be captured. His corpse was then burned.
As described in NewsRepulic, During the Guided age, as defined by author Mark Twain, during the 1870's in big cities, like Boston, Chicago, New York, Cleveland, corruption was prevalent. The new immigrants, who were mainly looked upon as the least employable, the bottom of the social status, and of little value. They were someone who is new to the country, lacking in language skills, and someone who has come here to take your job. So, for them to assimilate, to survive, many immigrants were forced to join together to provide support the local political bosses. In exchange for their loyalty and votes, the new immigrants were provided, a chance for jobs, housing, help in naturalization, business licenses, assistance in the courts and a voice in the community.
Answer: yes, there is that type of theory.
Explanation: it was the first theory that explained about a ramp that was built on one side of the pyramid and as the pyramid grew, the ramp used to move the blocks up to the top.
Hope it helps!