D. The monopolizing of certain markets...
Correct answer choice is :
<h2>C) War was needed to make the region safe for American business and commerce.</h2><h2 /><h2>Explanation:</h2><h2 />
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.
They experienced illness, the cold winter and shortages of supplies
