Beyond abolishing slavery in the united states, the civil war was a pivotal event in american history because it a) was a direct cause of the spanish-american war in 1898. b) established a military alliance between america and great britain. c) established the supremacy of the national government over state governments. d) allowed the united states to spread its borders westward to the mississippi river.

joseph stalin's cult of personality became a prominent part of soviet culture in december 1929, after a lavish celebration for stalin's 50th birthday.[answer:

explanation:

the correct answer is:   "   3.6 % " .

          →   the unemployment rate is:   " 3.6 % " .

explanation:

to calculate the "unemployment rate" :

the "unemployment rate"   =

  [# of people unemployed] /   [working age population]   * 100 %   ;

                =   [9 million] / [250 million]     *   100 % ;

    →     note:   the units of "million" cancel out;

                    since:   " {million} / {million} = 1 " ;

                =   (9 / 250)   * 100 %   ;

                = 0.036 * 100 % ;

                =   3.6 %

answer:   the unemployment rate is:   " 3.6 % " .