From economical point of view Marxism and communism both believe in economic equality and from political point of view both the society have presidential republic government.
Explanation:
Marxism and socialism both theory both have some common features economically and politically. Economically both the society promotes economic equality of service and goods. Both Marxism and socialism are movements of real life struggles.
Politically Marxist and communist society have same type of governmental authority like presidential republican government where in the head of the administration president has the supreme power to lead his country in definite direction.