The correct answer is A. They had elaborate trade networks.
Explanation
Trade networks are a form of the economic relationship between human communities in which products or services are exchanged for other goods or services or exchange currency. With the arrival of the Europeans in America, it was discovered that the native communities had a very elaborate network of commercial relations that allowed them to exchange their products with the other tribes in different parts of the wide American territory, from where they could obtain different products such as sea fish, river fish, the meat of domesticated animals, fruits, and other products of agriculture. So, the correct answer is A. They had elaborate trade networks.
It changed during World War 2 II. December 7, 1941, was a traumatic event in World history. The Japanese attacked the Americans at Pearl Harbor. Then Hitler declared war on the U.S. In 1945, the U.S. claims a world's primacy as the world's superpower by dropping two nuclear bombs on Japan and the Nuclear Age began.
The conditions were different because germany had to pay millions of dollars due to the treaty of Versailles.Japan was different because they signed an alliance with Great Britain after WW1
The US wanted to eliminate the sphere of influence because U.S. politicians and businessmen worried about foreign nations controlled economic development so they supported Open Door Policy.
