Correct answer choice is :
C) War was needed to make the region safe for American business and commerce.
Step-by-step explanation:
William McKinley, the 25th president of the United States, was born in Niles, Ohio on January 29, 1843. He served as a private during the Civil War and identified himself in action getting the rank of major in 1865. He worked in Congress from 1876 to 1890 and became a strong follower of guarding tariffs. When the Civil War broke out in 1861, McKinley joined in the Union Army, he ultimately earned the rank of brevet major of volunteers.