The Kecksburg UFO incident occurred on December 9, 1965, at Kecksburg, Pennsylvania, United States in North America, when a fireball was reported by citizens of six U.S. states and Canada over Detroit, Michigan and Windsor, Canada
it´s not from google btw, I searched on bing
Answer:
the ocean, cold climate
Mediterranean Sea
Explanation:
It allowed them lots of trade opportunities and the ability to control a lot of land.