Hitler had Heinrich Himmler centralize the administration of the concentration camps and formalize them into a system.
A who were some groups that helped
The christians fought no one in particular, as they fought everyone. including but not limited to <span>germans, bulgarians, byzantines, seljuks, arabs, jews, each other, etc.</span>
The native group that allied with the British was the Iroquois<span> Indians..</span>
Because of imperialism, countries now had access to colonies. When the war started, they were able to equip their colonies to fight for their side. This led to higher tensions and increased involvement in the war.
