Rubuta ci gaba ga wannan sakin layi - McKinley ya kasance shugaban kasa a lokacin yakin Mutanen Espanya na Amurka na 1898, wanda nasarar Amurka ta kasance da sauri da kuma yanke hukunci. A matsayin sashe na yarjejeniyar zaman lafiya, Spain ta ba da mulkin mallaka na ƙasashen waje na Puerto Rico, Guam, da Philippines ga Amurka. Tare da al'umma mai wadata, McKinley ya sake kayar da Bryan a zaben shugaban kasa na 1900. An kashe Shugaba McKinley
Leon Czolgosz a watan Satumbar 1901, kuma Mataimakin Shugaban Theodore Roosevelt ya gaje shi.