We are obliged to them because some of these languages have since vanished, as the peoples who spoke them died out or became assimilated and lost their native languages.
The 1990 Census revealed that “a majority of immigrants from each of the fifteen most common countries of origin spoke English 'well' or 'very well' after ten years of residence. ”
And it's where the American leader received a large and warm welcome when he spoke at the world's biggest cricket stadium in the Indian city of Ahmedabad.