Major Foreign Policy Themes Negative'' foreign policy during 1700 and 1800s (isolationism) mistrust of Europe militarily weak shaped by the Monroe Doctrine Spanish -American War and World War I seen as temporary entanglements lasted from 1898-1918 followed by a resurgence of isolationismMajor Foreign Policy Themes Negative” foreign policy during 1700 and 1800’s (isolationism) mistrust of Europe militarily weak shaped by the Monroe Doctrine Spanish –American War and World War I seen as temporary entanglements lasted from 1898- 1918 followed by a resurgence of isolationism