The factors that were led to greater unity among people across northern India during India's Golden Age was peace, prosperity, growth of art and literature and harmony that united people.
Step-by-step explanation:
The golden age was the period in India that came during the Gupta empire. This period was known as the golden age because this was the age that led to growth, prosperity, harmony and peace in the empire.
This period also saw the growth in the field of art and literature in the Indian economy. Because of such growth and prosperity, it led to the growth of unity in the people of the country.