How did Marx and Engels understand the record of history?

Marx and Engels understand that the straggle between oppressor and oppressed was the motor of changes in human history. They believed that social class division played crucial role in a reconstruction of society. ... What are their criticisms of the existing social system?

pennsylvania pennsylvania colony was a proprietary colony founded when william penn was awarded a charter by king charles ii in 1681. he set up the colony as one of religious freedom. the government included a representative legislature with popularly elected officials. all taxpaying freemen could vote.

i hope this