किसने सामाजिक संरचना को 'प्रमुख समूहों और संस्थाओं के उस जटिल रूप के रूप में परिभाषित किया है जो समाजों का निर्माण करते हैं'?

Who authored the famous book 'The Protestant Ethic and the Spirit of Capitalism'?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The Marxian perspective asserts that the capitalist mode of production inherently creates global inequalities. Reason R: Modernization involves a total transformation of technology and social organization. In the light of the above statements, choose the most appropriate answer from the options given below: