Published:   30-Nov--0001
(a) It led to the development of new propaganda techniques and strategies, particularly in the areas of advertising and public relations
(b) It had no significant impact on the concept of modern propaganda
(c) It led to decreased interest in propaganda due to the recognition of its negative effects on public opinion
(d) It led to increased competition between countries to produce the most effective propaganda campaigns
Answer:
It led to the development of new propaganda techniques and strategies, particularly in the areas of advertising and public relations