Plessy v. Ferguson set forth the doctrine of "separate but equal" which enabled institutionalized segregation as long as things were "equal"
However, the Court did not define what equal really meant.
So, you might see a bathroom for African-Americans that was a hole in the ground while the whites only bathroom was pristine and modern.
The correct answer to this open question is the following.
Although you forgot to include the options for this question we can say the following.
The Aryan migration and settle in India transformed life and culture and India at that time in that the Aryan people went from being mostly nomadic herders to adopting farming and settlements.
The Aryan migration started in 1800 and ended until 1500 BCE. During this period, teh Aryans that inhabited the territories of the Middle East started to migrate to the lands next to the Indus Valley River, close to the Indus River and the Ganges Plains. Most of these Iranian people lived in modern-day Afghanistan.
During the migration, they collected fruits and vegetables and followed herds to hunt them until they arrived at the above-mentioned zones of North India and settled next to the river, and learned to develop agriculture techniques to grow crops in this fertile land.
One such sentence would be this: "Great Britain now operates with a heavily limited monarchy, since it is Parliament, not the king or queen in power, that holds most of the power."
Well, the only one that actually makes sense to me is C.