From its invention, radio was conceived as a means for wireless two-way communication. Radio telegrams. Radio telephones. But as the technology matured, some in the field saw the potential for radio to become much more.
After the death of Lenin, the USSR was a socialist state without a clear understanding of what that meant. Stalin ended Lenin's New Economic Policy and created a centralized push for industrialization known as the Five-Year Plan.
The death of Sun Yat-sen came at an inopportune moment, just as the Nationalists were poised to regain control over China. Chiang Kai-shek emerged as the Party's new leader. He ended the United Front and attacked and killed Communists.