What were joseph pulitzer and william randolph hearst well known pioneers of?

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

What was one major cause of worldwide conflict during the first decade of the 21st century?

What were the shared risks of the signers of the declaration of independence were taking impending their names to the document?