Question

In what way could the american victory at yorktown be called "lucky"?

Answer 1

The French fleet arrived at the right moment to blockade a British escape.

Step-by-step explanation:

Answer 2

The American victory at Yorktown can be called "lucky" in a way that the French fleet was able to arrive at the right time just to block those British who are escaping. Without the French fleet, the British could have escaped and they would not reign as victors.