When Italy entered World War I in...
By March 1916 the Allies had...
By the beginning of 1917 the Allies...
Following the failure of the...
With Russia helpless against the...
US involvement helped the Allies win...
Fighting continued in East Africa...
Following the War, the US and Japan...
Growing tensions between the U.S.,...
Following the Treaty of Versailles...
The 1920s saw a consolidation of the...
In Spain, tensions had been rising...