United States -- Military policy; United States -- Defenses; Naval operations; Mexico -- Foreign relations -- United States; United States -- Foreign relations -- Mexico; Protection
Paternalism; Imperialism; United States -- Foreign relations -- Mexico; United States -- Foreign relations -- Central America; United States -- Foreign relations -- Philippines; UNited States -- Military policy
Presidents -- United States; Duty; Presidents' spouses--United States; Work; United States -- Foreign relations; United States -- Politics and government; Marriage