The country will start receiving deportees from this month but has not said how many they will accept.
This is just the second time that DR Congo have reached the World Cup finals, sparking celebrations in Kinshasa.
DR Congo are back at the World Cup for the first time since 1974, with fans in Kinshasa celebrating the team's 1-0 play-off win over Jamaica.
The conflict has persisted despite a peace deal signed by DR Congo and Rwanda in December.
Etienne Davignon, a 93-year-old ex-diplomat, is accused of involvement in the assassination of the independence hero.
Witnesses say drone strikes hit a residential building frequently occupied by expatriates and aid workers in Goma.
The M23, which controls the coltan-rich area, has not commented and the death toll is hard to verify.
Rwanda accused Washington's move as “one sided” and politically motivated.
The US president has shaken up international relations and the continent is working out where it stands.
