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The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic.
Answer
I think it is;O D. Currency
Explanation:
Because most of the mediterranean countries use the same currency
DescriptionInternational trade is the exchange of capital, goods, and services across international borders or territories because there is a need or want of goods or services. In most countries, such trade represents a significant share of gross domestic product. Wikipedia
What, is being called the midpoint exactly? My guess would be that Point C is the midpoint because it is the middle point of a line segment.