In World War I, writes Chicoan and naval historian David Bruhn, “German U-boats sank over 5,200 vessels and came dangerously close to choking off Britain’s critical supply of food in the spring of ...

When World War I ended in 1918, the United States entered a relatively long period of peacetime — this period lasted until 1939. However, the U.S. didn't enter full active combat operations in World ...