The first astronomer to state the fundamental laws of planetary motion, Kelper was also known for his works in geometry, optics and philosophy.
He considered circular tables more democratic than rectangular tables which were used by his predecessors.
I believe its B as 'progressive' means <span>favoring or advocating </span>progress, change, improvement, or reform, as opposed to wishing to maintain things as they are, especially in political matters:<span>
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The voyages of Zheng he, development of blue and white porcelain, and the establishment of the forbidden city are all associated with the: Ming Dynasty
Zheng he held the position as the fleet admiral during the Ming Dynasty and became the first Chinese mariner that opened up the map from China to South East Asia. During this period, Ming Dynasty also created a city that's exclusively resided for Nobles and High Government official called the Forbidden city.
It was called <span>Great Zimbabwe.</span>
