The colonists requested/declared their independence from Britain due to the extreme taxes that were being imposed upon them.
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The Russian Revolution took place in 1917, during the final phase of World War I. It removed Russia from the war and brought about the transformation of the Russian Empire into the Union of Soviet Socialist Republics (USSR), replacing Russia's traditional monarchy with the world's first Communist state.
Lincoln recognized that the Emancipation Proclamation would have to be followed by a constitutional amendment in order to guarantee the abolishment of slavery. The 13th amendment was passed at the end of the Civil War before the Southern states had been restored to the Union and should have easily passed the Congress
The had to change the way they did things such as cancelling plans etc.
#3 is the correct one because to the allied nations it wasn’t a primary goal