निम्नलिखित विचारकों में से किसने यह कथन दिया था: 'यदि हमारी सभ्यता विफल होती है, तो यह मुख्य रूप से प्रशासन के टूटने के कारण होगा'?

Who stated that 'The field of administration is a field of business'?

The functional importance of Public Administration has significantly increased in contemporary times due to which of the following factors? a) Emergence of the Welfare State b) Disruptions caused by Global Wars c) Rise of centralized Economic Planning d) Rapid Technological Advancements Select the correct option from the codes given below: