The main cause of WW1 was the assassination of the Archduke Franz Ferdinand of Austria-Hungary. The other causes are Militarism, Alliances, Nationalism, and Imperialism.
I think they had in common to develope their populations and "cities" (at their time there aren't real city like nowadays) near the rivers. Also both they had access to good fertile soils
C. Union’s pursuit of American Indian refugees
Answer:
what we can do for our country and fellow nieghbor.
