C. Civil War because world war 1 & 2 were in the 20th century
Answer: An effect of World War 1 is the downfall of the German Empire, Austrian, and Russian empire.
Explanation: 3 Monarachies were replaced by 3 Republics due to the first world war.
The main reason why Lincoln took such a generous approach toward the South is because he knew that punishing them further after the war would just increase bitterness, and make it impossible for the Union to ever "heal". <span />
Alexander the Great wanted to conquer Asia, defeat the Persians, and Unite Greece :)