Final answer:
Rosa Luxemburg was critical of Lenin's dictatorship of the proletariat, as she believed it concentrated power in the hands of a small elite and undermined democracy. She argued for a more democratic and participatory approach to socialism.
Step-by-step explanation:
Rosa Luxemburg was a prominent Marxist revolutionary and a critic of Lenin's dictatorship of the proletariat. She argued that the dictatorship, as implemented by Lenin and the Bolsheviks in Russia, concentrated too much power in the hands of a small elite and undermined the principles of democracy and worker empowerment. Luxemburg believed that true socialism should be built through a democratic process that involves active participation of the working class.