<span>I believe it was the Transatlantic Cable being installed across the ocean floor.</span>
Explanation:
There were several key factors contributing to the Colonists' victory over the British, such as war tactics, strong leadership and one solid alliance. Despite facing larger forces, better trained armies, and more weapons, the Colonists managed to win.This helped change the course of the war.
I believe Isoroku Yamamoto lead the attack.
I believe it is the XYZ Affair i'm not so sure but i do remember that this was one of my test questions and i got it right... but the wording was different