So they have something to rely on
Answer:
The Age of Exploration was rooted in new technologies and ideas growing out of the Renaissance, these included advances in cartography, navigation, and shipbuilding. The most important development was the invention of first the Carrack and then caravel in Iberia.
I’m fairly certain the answer you’re look for is, ‘The Dark Ages’ or ‘Middle Ages.’
The correct answers are a. learning and the arts flourished, supported by the thriving gupta economy and c. gupta artisans produced goods sold locally and as far away as the middle east and southeast asia
These are evidence that explain their prosperity.