What were the two warring classes that marx and engels outlined in the communist manifesto?

Which best explains how wealthy residents of italian cities contributed to the renaissance? a) wealthy residents bought works of art, which supported artists. b) wealthy residents participated in religion, which supported the church c) wealthy residents participated in music, which supported the arts. d) wealthy residents bought classical books, which supported scholars.

Concerns about the environment prompt congress to pass a $1 surcharge tax on each gallon of gasoline. which statement best describes the impact of such a tax

Human beings spread all around the world over a period of millions of years. identify when humans arrived in different regions of the world. 200,000 years ago 100,000 years ago 40,000 years ago 30,000 years ago