It angered Americans because they thought that they were to weak to fight them
Answer:
They were both major powers and started fighting meaning that they just wanted power over the other and they also worried about them becoming too strong.
Explanation:
The trade of cotton, hope this helps
Because of the trading posts in Lisbon, it became the only entrance point for Asian goods into Europe. It was either that or deal with the Arab traders through the middle east and that was not economically viable, so they all started trading with Portugal.