Cattle links the Indus and Aryan civilization and modern India because all three populations held a special regard for cattle.
The statement that correctly describes the practice of pastoralism in Mongolia is that p<span>astoralism was a social system that was based on raising livestock to provide for the needs of the people.
This doesn't refer only to Mongolia, but to all countries - pastoralism has to do with raising cattle.
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It enabled important (and sometimes secret) information/news to travel quickly.
They are alike insofar that they both deal with with people from minorities and and the discrimination against people who were not of European descent. In Mendez v. Westminster it was about Mexican American people while in the Magnuson Act it was about the Chinese American population and discrimination against them.