nationalities & country

The nationality of Holland--------Netherlands (because Holland=Netherland)
The nationality of USA--------American
The nationality of Canada---------Canadian

The country of Thai---------Thailand
The country of Korean---------Korea
The country of Malaysian---------Malaysia

The first answer is wrong!!!!!!!!!!

It should be Dutch, Netherlands means 荷蘭 but not the people there.

The other answers are:
American, Canadian, Thailand, Korea & Malaysia.