What is the answer of a time of Discovery and rediscovery

It is the Renaissance.

The Renaissance is a period in European civilization immediately after the Middle Ages (dark ages) characterised by a rise in interests in classical scholarships and values.

The Renaissance period also discovered the discovery and exploration of new continents, replacement of the Copernican system of astronomy with the Ptolemaic system, a decline of feudal systems of government and rise of commerce, invention and use of powerful innovations as printing, paper, marine compass and gunpowder.

To the scholars and thinkers, it was time for the revival of classical learning after the stagnation of culture in social, political and intellectual transformation.

true.

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the correct answer is:

b) a rich merchant.