<span>Immigrants from both periods were from eastern and southern Europe.</span>
The First World War is the War that the image is referring to and how Austria-Hungary was divided up as a result of it.
End of Roman monarchy and the establishment of the Republic.
Arizona used to be part of the Mexican Territory. It was
given to the US during the Mexican Cession in the United States. The Arizona
Territory was divided into the North and the South. The Northern part of
Arizona was a part of the New Mexico Territory while the Southern part was a
part of the US territory. Arizona became a state during its economic boom in
the agricultural sector in 1912.