What were 2 new countries added to the map after WWI?

As the maps show, the postwar treaties carved up old empires into many small new nations, causing huge land losses for the Central Powers and changing the face of Europe. The former empire of Austria-Hungary was dissolved, and new nations were created from its land: Austria, Hungary, Czechoslovakia, and Yugoslavia.

Explanation:

c.) biotic: snails; abiotic: temperature climate

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).