Answer:
According to the Great Compromise, there would be two national legislatures in a bicameral Congress. Members of the House of Representatives would be allocated according to each state's population and elected by the people.
I think you should ask your sister a little more of what happened and why he did it. Then you should go find the boy and perhaps talk to his parents cause it's not right for him to do that.
Karl Marx was the leading theorist in the development of socialism.
I hope this answered your question!!