FDR was a progressive Democrat who firmly believed in the power of a strong Central government to solve the problems of the day.
This differed from Coolidge and Hoover who believed in the power of business to solve problems and saw a limited role for government.
Native-born Americans who saw the influx of new immigrants to the United States with concern were called Nativists.
In the late 1800s, due to the huge entry of immigrants in America, a lot of anti-immigration feelings came forward. A huge effect on immigrants coming to the U.S. appeared in nativism. Nativism is a policy when people show favoritism toward native-born Americans.
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.