I think the answer is <span>B) a Supreme Court ruling. </span>
<span>Hello Laviihagreat,
Some inventions or ideas that helped to advance trade are, F</span>lat bottomed boats, Carts driven by animals, and <span>Seagoing vessels. These inventions or ideas helped advance trade.
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Answer: IT CHANGED THE WORLD
Explanation: WORLD WAR II HAPPENED SO THAT'S HOW IT CHANGED THE WORLD
D. To Provide A View Of The Mongolian Plateau And Protection For The Emperor
Answer: Time zones created a standard of time that all trains followed
