"the social democrats in Siumut Party and the reactionary Greenlandic upper class in Atassut"

Siumut (which means 'Forward') is a centre-left social democratic party in Greenland and a consultative member of the Socialist International.

Siumut official website (in Danish and Greenlandic)

Atassut ('Feeling of Community') is a centre-right conservative liberal party and a partner of the Danish Venstre party. The party supports the idea of Greenland remaining an autonomous province within the Kingdom of Denmark.

Atassut official website (in Danish and Greenlandic)