निम्नलिखित में से किसका दृढ़ विश्वास था कि समय-समय पर समुदायवादी सुधार की आवश्यकता होती है क्योंकि 'उदारवाद एक आत्म-विनाशकारी सिद्धांत है' ('Liberalism is a self-subverting doctrine')?

What is the ultimate objective of Marxism according to political theory?

Marxism as a political philosophy primarily originated from the foundational works of which pair of philosophers?

Which of the following is a core defining feature of Socialism?