Answer:
The United States asserted itself as an independent nation was through the adoption of the Monroe Doctrine. This doctrine came after its independence from the British and was a warning to other European countries to stop their interference in the country.
This was a major statement of the United States to the rest of the world in it being strong enough to make decisions which are in the best interest of the country.
They used Paine's Common Sense to justify the American Revolution.
A because they didn't want the revolution to spread to their country
Answer:
Athens.
Explanation:
Because I have notes, I remember this.