Pearl is in the US and it was Japan, an ally of Germany that attacked it.
Canada was an ally to Britain and the USA fighting Germany during the WW1
It was believed that if Mexico could fight the United States that the United States would not enter the war on Germany.
Romania was an ally of Germany.Romania was an ally of Germany.
The Austro/Hungarian Empire was Germany's ally in WW1
Germany was the biggest central power in WW1 but the Otoman Empiere also was in it with Austria Hungary.
in the treaty of Versailles Britain and France wanted Germany to pay for damages it caused in Europe, when in fact that Germany's ally Austria-Hungary and some eastern slavic nation started the war. and from that, the treaty made Germany one of the poorest European nation in the world, like the German Mark (German currency at that time) had no value in it that Germans would use it for kindling to warm their houses
In the WW2 Romania was an ally of Germany between 22.06.1941 and 23.08.1944.
Germany
Austria-Hungary was not a particularly useful ally from Germany's point of view.
Romania was an ally of Germany and fight against Soviet Union to free Romanian territories occupied by Russians.
Ally