What was James Bonsack's most important contribution to the cigarette industry? a. Bonsack was the inventor and the innovator of a cigarette-making machine b. Bonsack was the inventor of a cigarette-making machine c. Bonsack the innovator of a cigarette-making machine d. Bonsack developed a treatment for lung cancer which keep cigarette smokers alive longer e. Bonsack figured out how to boost the nicotine content of cigarettes to make them more addictive