Throughout The road to WW1, Germany's main ally was probably Aurstria-Hungary. This is because of Serbia and the assassination of Archduke Franz Ferdinand. Serbia was allied with Britain and Austria Hungary was allied with Germany. The war became mostly between Germany and Britain fromt then on.
Romania was an ally of Germany in WW2
Kaiser Wilhelm II
Germany, Austria-Hungary, the Ottoman Empire and Bulgaria.
After WW1 germany, Italy, and Japan had dictators. Germanys was HITLER:(
The jews, he believed that they were to blame for Germanys financial crisis after WW1.
The Austro/Hungarian Empire was Germany's ally in WW1
what is some effects on germanys financial decline after ww1
In the WW1 Romania was an ally of Western countries.
Germanys empire was in WW1 because of the alliances the other countries had.
Italy
Russia was Serbia's main ally during World War I. Russia had a powerful army and powerful allies as well.
Britain, France, Russia & the US are common to the Allies in both WW1 & WW2. They are opposed by Germany in both wars. In WW1 Italy & Japan were both on the side of the Allies, in WW2 they were on Germanys' side. Turkey was on the side of Germany in WW1 & Neutral in WW2. Austria/Hungary was on the side of Germany in WW1 & were also on Germanys' side in WW2, (although it might be said by force rather than choice.) although they were then 2 separate countries.