Why did America get involved in the wars in Europe?

Which conditions did austria demand of serbia after the assassination of archduke ferdinand? check all that apply. 1. swearing allegiance to the triple alliance 2. accepting responsibility for the assassination 3. turning over control of its military operations 4. surrendering half of its most fertile lands 5. suppressing anti-austrian groups and publications

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Which of the following was not part of roman empire a: syria c: anatolia b: greece d: russia h.e.l.p asap