Original: After the collapse of the Central Powers in November 1918, the local commander of the Ober-Ost signed an agreement with the Temporary Council of the SuwaÅ ki Region and de facto allowed for the region to be incorporated into Poland.
Simplified: After the end of the Central Powers in November 1918, the commander signed an agreement with the Temporary Council of the SuwaÅ ki Region and let the city back into Poland.