The United States was the last to join the Allied Powers because they did not want to be apart of the war. They joined the Allied Powers after Japan bombed Pearl Harbor.
I am assuming you are talking about the US. So in the North they have Rocky Poor Soil.
To find locations
To communicate
To follow digital maps
Answer:
It allowed easy travel from the Atlantic ocean to the Pacific
Explanation:
Before the Panama Canal, the only way to trade with asia was to sail south under africa, which was dangerous, or to sail under South America. Having a canal through central America would allow a safe and fast route to get to Asia and the Pacific.