Answer:The Congress of Vienna was to re-post-Napoleonic Europe and prevent the rebuilding of a strong France.
Explanation: So on like, February 1815? delegates from the great powers (In Europe)and several other European countries created a new map of Europe (After some heated debates and arguing) after Napoleon messed everything up.
Answer: To stop the spread of communism.
Explanation:
The idea that O'Sullivan describes in this quotation is A) manifest destiny. Manifest Destiny was an idea that O'Sullivan was responsible for popularizing in the 1800s. This political theory or ideology sought for the United States to expand its borders to the Pacific Coast based upon a god given right to expansion which he called Manifest Destiny.