Answer:
They are willing to listen to Ideas other than thelr own.
Explanation:
In exchange, the United States pledged to avoid involvement in the political affairs of Europe, such as the ongoing Greek struggle for independence from the Ottoman Empire, and not to interfere in the existing European colonies already in the Americas.
The answer is European colonies that are already existing in the Americans.
One of the effects was the North asking the South to free the slaves. However, the south did not want to, and so it became the reason for the North to get ready for the Civil War.
hope this helps
