Marx and engels scoffed at those who denounced communism as inimical to freedom. why? what us freedom, according to the manifesto?

For the answer to the question above, Marx and Engels scoff at those who denounced communism as inimical freedom because these people who did scoff at the manifesto were a part of the upper class. Communism was made to promote the working class and take away the insistent power that the upper class had (especially the bourgeois). 

Iwould pick a true