Answer:
The war in the east began with the Russian invasion of East Prussia on 17 August 1914 and the Austro-Hungarian province of Galicia. ... They made some progress, crossing the Carpathians in February and March 1915, but then the German relief helped the Austrians stop further Russian advances.
Explanation:
?huh I don’t get this one...........
It is B they could not compete successfully with new firms entering the market
Answer:
Yes, the plague was bad
Explanation:
Plagues can wipe out lots of people and/or make them sick. It can cause isolation and downfalls of entire empires.