The migration of the Aryans to India was significant, because they expanded a huge empire spanning the whole of the Indian subcontinent and what is now modern-day Afghanistan and Iran. The Indo-Aryan languages are still spoken nowadays in India, Pakistan, Sri Lanka, Bangladesh, Nepal, Fiji and the Maldives. The Aryans also introduced the horse and chariot into the area. They established powerful kingdoms and principalities in the zone.
What's your question here?
Answer:
Grandmother hypothesis
Explanation:
The grandmother hypothesis is the result of a further developed mother hypothesis. The mother hypothesis suggests that the energy required to keep a woman fertile is better used in order to ensure that her offspring reproduce.
The grandmother hypothesis suggests that the grandmothers bolster the efforts of the mothers and make sure that their grandchildren's genetic interests are met. The grandmothers' can also increase the grandchild's social circle further increasing their chance to mate.
Abuses are often rooted in ethnic problems.