Correct Answer:
C. 50
The question asks about the number of states in the United States. The correct answer is 50. The United States currently comprises fifty states, along with a federal district and several territories. The last two states to be admitted to the Union were Alaska and Hawaii in 1959.
- 45 is incorrect.
- 48 refers to the number of contiguous states before Alaska and Hawaii joined.
- 55 is also an incorrect number.