Multiple choice The Communist Manifest of Marx and Engels was a guide for European workers in the revolutions of 1848. predicted peace between the social classes. based all historical development on class struggle. saw the bourgeoisie as ally of the proletariat. Reveal answer Fill a bubble to check yourself C Correct answer Explanation The Communist Manifesto famously asserts that the history of all hitherto existing society is the history of class struggles, framing social development through this lens.