Answer:
Wind
Explanation:
Most conifers and about 12% of the world's flowering plants are wind-pollinated.
Karl marx believed that the workers of the world (proletariat) would unite and overthrow the upper class (bourgoisie) and form a dictatorship of the proletariat. He believed that over time this dictatorship would dissolve and there would be a classless society of pure socialism, or communism
Since you are developing an argument that would be 1450 and 1750