Which business practice is described by the following scenario: steel mill owner buys the mind that produces iron ore, the railroad that transports the iron ore, the factory that makes steelmaking furnaces, and company that advertises the steel?
a) scientific management
b) horizontal integration
c) selling stock
d) vertical integration

zheng he was a chinese explorer who lead seven great voyages on behalf of the chinese emperor. his seven total voyages were diplomatic, military, and trading ventures, and lasted from 1405 – 1433. however, most historians agree their main purpose was to promote the glory of ming dynasty china.

explanation:

performances and sculptures

nothing did. japan is wierd and always was.