The presence of the healthy women and sane sexuality in India ought to influenced Indian life in a beneficial way. Unfortunately, the judging about this subject is difficult enough as ancient Indian history in the whole and specially the Buddhist period, is typified with lack of reliable historical documents.

However, this fact itself is a good sign. I mean that earliest written documents in general world history are either book-keeping reports or decrees and laws, or religious myths, or eulogies of rulers. Thus, the main message the first scripts carry to us through the time is that vanity, avidity and compulsion over intellectuals (the authors of the earliest texts) appeared.

- By the way this universal rule have determined the notion that particular politics, economy and laws are the motors of the history. I suppose this notion is wrong as there are some stronger forces and factors in human life and history.

Now let's return to ancient Indian history. Although it is known mostly from archeology and foreign written sources - chiefly Greek, these afford us sufficient material for judgment about importance of the Buddhist period Of Indian history.

So, Greek sources tell us that Alexander the Great had to persuade his brave and invincible but avaricious soldiers into the conquest of India, this country presented no attraction for them so far. In India there was nothing valuable for them as well as for Alexander himself. He only wanted to complete logically the conquest of all the known Orient. We know that he failed in the persuasion.

It was the very beginning of the Buddhist epoch. And several centuries later India became the wonderland that drew people from all over the world as though a magnet.

Remember the phenomenal gravitation towards India during the whole Middle Ages and New Time that forced bold European voyagers to sail through the dire seas for Indian wares. This gravitation has determined the face of the modern world. In particular, America was discovered while search for an alternative sea way to India and China (another area of Buddhist influence, the opposite side of the Himalayas), also American pioneers had the task to support the searches for a strait to west. 

Usually we do not appreciate the importance of Indian culture because Europeans learnt its achievements from Middle Eastern middlemen. For instance, so-called Arabic numerals are Indian as a matter of fact, also Scheherazade's tales doubtlessly stem from Indian verbal tradition. The amorphous term Orient conceals what originally belonged to India. Besides, India's former grandeur had been destroyed to the time when Europeans reached that country so long wished for. 

See related resources:

	India's Contribution to the World's Culture
	A Tribute To Hinduism - Hindu Culture

Now let's try to understand what factors resulted in that miraculous metamorphosis in India during the Buddhist period.

Could they be the rulers' acts, laws, or religious doctrines?

I think all these could only be consequences, but the cause was the presence of the healthy women's rid of the common female hormonal disturbance, which causes women's malignance being the prime scourge of of any moral evil.

All the legends carry sad imprints of destructive changes in ascetic life. Apparently, they were fixed on the decline of Buddhist period of Indian history the happy time when in India there were men and women enjoying pure and natural life. Here is  short overview of such legends.

Savitri and Satyavan

This is one of the finest touching stories of female loyal love. However, it contains some sad signs of bad changes: Savitri falls in love with the ill man (Satyavan) doomed to die in a year. Thus, we can state a case of the sexual mis-selection here, which seemingly signifies that ascetic women had become hormonally disturbed.
An illustrated but more adapted version of this story (as well as some other stories) is presented in IndoLink site of Indian emigrants in the USA.

The Recognition of SHakuntala

Famous drama by great Ancient Indian poet Kalidasa. This drama is based on earlier legends according to which Shakuntala (also Sakuntala) was born from the union of an ascetic and an apsara (a nymph of Indian mythology, originally female ascetic, evidently), and later gave birth to her son in an ascetic settlement.
The legend reflects the destructive changes in life of Ancient Indian ascetics - people of arms begun to marry beautiful female ascetics and take them away from the hermitages.
There is a shortened version of Story of Shakuntala.

The Ramayana

One of two greatest Ancient Indian eposes. Its heroes Rama and his consort Sita as well as his brother Lakshmana are pictured living in a forest hermitage near the Himalayas. This fact was explained with the exile because people of the later epoch could not assume that these great heroes lived so plain (compare the later Hindu picture right).
The whole story is devoted to abduction of a beautiful female from ascetic hermitage by Ravana the evil king of ruffians.
The available web versions pass by interesting episode of villain Ravana's persuasions. When he attempts to persuade beautiful Sita into leaving the forest hermitage for his royal palace, he calls her wide-hipped, rich-hipped.
This story ends happy, but in fact small paradises of ascetic hermitages were destroyed by aliens.
There is an illustrated but more adapted version of The Ramayana.

 

Sudama

This story also reflects the bad changes in life of ascetics. The matter is that before ascetics were as respectable as kings in Indian society, while this story portrays another state.

	The shrine of love, the memorial of the foreign yoke

Summing up, we can say that Mumtaz' mausoleum is also a splendid tomb of India's great past.