If you meant Denton Cooley, he was the first person to implant an artificial heart in 1969.
Answer:
post colonialism is the theoretical wing of postcoloniality. it refers to a mode of reading,political, analysis and cultural resistance/intervention that deals with the history of colonialism and present neo - colonial structures.
Answer:American and Canadian railroads
Explanation:
At exactly noon on this day, American and Canadian railroads begin using four continental time zones to end the confusion of dealing with thousands of local times. The bold move was emblematic of the power shared by the railroad companies.