Shipbuilding. World War 1 was the first major war in which a mass-produced navy was used.
Answer:
Discovered in August 3rd, 1492!
The primary goal of the United Nations would be to "<span>d. promote peace, security, and cooperation among countries of the world," since it was created immediately after World War II in the hopes of averting another major crisis. </span>
Answer:
Centers of trade which make it the main feature of civilization
Explanation: