Compositions   1891: Variations on "America" for Organ 1902: Symphony No 2 1904: Symphony No 3 1907: Central Park in the Dark 1908: The Unanswered Question 1914: Three Places in New England 1916: Symphony No 4	World Politics 1871: Prussian expansion under Bismark     1903: Bolshevik Party established in Russia     1914: First World War   1929: Wall Street Crash