Which of the following statements analyzes the positive effect that new technologies had on the world between 1900 and 1945? (1 point)
A. • Penicillin was discovered by Dr. Jonas Salk.
B. • Penicillin was the only medical discovery made between 1900 and 1945.
C. • Penicillin opened the door for treating patients during World War II.
D. • Polio was eliminated between 1900 and 1945.