Hydrogen, Lithium, Sodium, Potassium, Rubidium, Caesium, Francium
Thomas Jefferson said it I believe.
Answer:
Not A
Not B
Not C
Definitely D for the reason that they weren't given all their freedoms that the citizens had. A lot of people opposed immigrants and minorities back then, some still do and it's saddening.
Answer:
I think any relationship between the Indus Valley and the deep Dravidian south is unlikely because of the vast gap in space and time. About 2,000 years and 2,000 miles. But linguistically, if the Indus script is understood, we may hopefully find that the proto-Dravidian roots of the Harappa language and South Indian Dravidian languages are similar.