Answer:
The leading cause of death in the United States in the early 1970s were the bacterial infections, nowadays are the automobile accidents and 10 years from now is predicted to be cancer.
Step-by-step explanation:
In the early 1970s, there was a massive bacterial infection thatcaused the death of hundreds of american citizens, which also was the result of the medical development.
Nowadays the automobile accidents are very common for reseveral reasons such as drogs, sleeping problems.
Because of the alimentation of americans is predicted that the cancer will be the leading cause of death in the United States 10 years from now.