Answer:
1.) Japan/Japanese - Arigatōgozaimasu.
2.) Korea/Korean - Kamsahamnida/Gomawo.
3.) China/Chinese - Xiè xiè.
4.) Thailand/Thai - Khob khun Kha.
5.) Spain/Spanish - Gracias.
Hope it helps. :)) #ANSWERFORTREES. @saebyeok.
