American people are from ...
The US.
What's the nationality for Portugal?
Portuguese
German people are from ...
Germany
Greece people are from ...
Greek
What's the nationality for France?
French
Spanish people are from ...
Spain
What's the nationality for India?
Indian
What's the nationality for Great Britain?
British
What's the nationality for Canada?
Canadian
What's the nationality for Brazil?
Brazilian
Mexican people are from...
Mexico
What's the nationality for Japan?
Japanese