Final answer:
Option B: More U.S. soldiers died in the Civil War than in any other war.
Step-by-step explanation:
The statement that describes a fact rather than an opinion is Option B: More U.S. soldiers died in the Civil War than in any other war. This statement can be supported by historical data and is not influenced by personal beliefs or perspectives. It can be proven through records, statistics, and research.
Learn more about Differentiating facts and opinions in U.S. history