The idea that a country or region should specialise in making and exporting goods and services that it can produce most efficiently.
It originated in Italy, mainly because most of the thinkers, artists, and scientists of this time period were Italian and large innovation was rampant across the country
If you are talking about the American colonies, they depended on tobacco, cotton and soy beans, agriculture.
The naval battle which fully crippled the Japanese Navy as an effective force against the vast US forces. With the untimely death of Admiral Yamamoto, this naval battle greatly turned the tides of War for the allied forces on the Asian Pacific naval front. Japanese air coverage was greatly reduced (3 aircraft carriers were sunk), and later during the <span>Battle of Leyte Gulf, greatly reduced the ability of the Japanese to stop the American led counteroffensive and "island hopping" strategy.</span>