Which of the following factors led to china’s economic expansion in the fifteenth and sixteenth centuries? a. thriving and elaborate internal trade networks b. the conquest of neighboring states c. the expansion of trade with europeans d. improved agricultural techniques

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.  

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taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.