It wasn't true for the economies at the end of the World War 2
was that the GNP and corporate profits doubled.
The most accomplished Confederate General (South) was General Robert E. Lee, commander of the Army of Northern Virginia.
General Ulysses S. Grant led the Union Army during the later years of the war and later ran for office, becoming the President of The United States.
The correct answer is answer C ("To condemn the policies of this predecessor").
In 1956, Nikita S. Khrushchev (a very important figure for the Soviet Union) gave his infamous speech at a closed congress session of the Communist Party. His purpose was to destroy the figure of Stalin by denouncing the abuse of power from the dictator (criticizing his policies of wide-spread mass terror in detail) and also condemn is ineffectiveness at defending the Union from the German Invasion.
Hope this is helpful to you!
If you're referring to new non-European states that have risen since the Cold War Ended, then the effect has perhaps been minimal in terms of their daily lives, but if they have close relations with the US it would mean a stronger connection.