What was the importance of the railroad ?

Railroads are the most efficient transportation mode for moving goods on the earth's surface. Railroads are of particular importance for the movement of commodities that heavy and moved in bulk over long distances where the transportation spend represents a large portion of the total delivered cost

Explanation:

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.

d. a week

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