According to Karl Marx, why should the proletariat rise up against the wealthy, elite ruling class (aka The Bourgeoisie)? * Equality
Revenge
Efficiency
Industrialization

answer; i believe the answer is (b) fascism;

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.