What condition during the Gupta Empire most enabled the flourishing of art, science, and new ideas?

Frequent military conflicts with neighbors

A period of widespread peace and prosperity

Strict laws that required citizens to be creative

The discovery of new lands across the ocean

Which mathematical idea, developed during the Gupta golden age, was a revolutionary concept that transformed mathematics?

The invention of the abacus for counting

The use of Roman numerals for trade

The development of the concept of zero

The construction of large pyramids

The creation of stunning and colorful murals

The invention of the printing press

The development of photographic techniques