The answer to this question is A states fears of an over powerful national government
Answer:
D. highlighted the impact of television on political campaigns
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The three Round Table Conferences of 1930–32 were a series of peace conferences organized by the British Government and Indian political personalities to discuss constitutional reforms in India. ... By the 1930s, many British politicians believed that India needed to move towards dominion status.
I believe the answer is D. WWI was the first "total war," in which all of the people in all of the involved countries participated and were impacted.
It is A, because it was only the Soviet and USA. Hope it helps!