How did spain expand as a nation-state?

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)

Emily works at a perfumery. she extracts 3 liters of essential oil for perfumes in 2 days. 1: assuming emily extracts essential oil at a constant rate, we can graph this relationship with time in days along the x-axis and quantity of oil in liters along the y-axis. the slope of the line representing this relationship is __ 2: a point on this line that corresponds to the amount of oil emily extracts after 5 days is (5,

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?