Answer:
Option: a. Thriving and elaborate internal trade networks
Explanation:
China in the 15th century and 16th century ruled by the Ming Dynasty. During their reign, China became the largest economy in the world. Ming developed trade network through river systems and canals that promote the development of internal trade in China. The Yangtze River helped China to promote internal trading.
After a sudden multiple attack on Aleutian Islands and off the coast of Alaska, Japanese planned a prolonged attack towards Midway.
Explanation:
Japan's aim was to prove its superiority over naval and air force of America firstly it attacked Aleutian islands and off the coast of Alaska. Thereafter they planned for a prolonged attack on America. But from their previous sudden attack America got to know about their future plan.
U.S navy defeated Japan's sudden attack and won the battle of midway. To protect women's role it was important to America to combat Japan and defeat them in the midway battle.
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Biosphere is the part of the earth’s surface and atmosphere in which plants and animals can live
<h2>Hope it helps</h2>
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