4. World War I Involvement (1917-1918)
When the United States entered World War I, its military and economic strength proved decisive for the Allied victory. America’s fresh troops and resources tipped the balance while European powers suffered devastating losses.
Emerging from the conflict relatively unscathed, the U.S. transitioned into a creditor nation, lending vast sums to war-torn allies and reshaping international finance. This new status underscored the country’s growing global influence and set it apart from exhausted European rivals struggling to recover from the war’s destruction.
