for most of the 1900s, the legal voting age was\n16\n18\n21\n24

for most of the 1900s, the legal voting age was\n16\n18\n21\n24
Answer
Brief Explanations:
In the 1900s, for most of the century in the United States and many other places, the legal voting - age was 21. It was not until the 26th Amendment to the U.S. Constitution in 1971 that the voting age was lowered to 18.
Answer:
C. 21