What were the causes of WW1

Which of the following statements best describes the spread of communism in the years immediately following world war ii? a. the number of communist countries increased during these years. b. the number of communist countries decreased during these years. c. the number of communist countries stayed the same during these years. d. the number of communist countries increased in asia but decreased in europe. ( answer in the format above for me to understand)

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

Which communities brought about the rise of the first politician? a.anthropological b.neolithic c.hominids d.geologist