Why do U. S. and the North Korea each see the other country as a threat?

north Korea has been the poster child for rogue states for over five decades. It has pursued a nuclear weapons program, constructed and exported ballistic missiles, sponsored terrorist acts, allegedly participated in the drug trade and counterfeiting, and posed a continuous threat to U.S. allies and interests, resulting in the stationing of U.S. forces in South Korea and Japan. But it has also been the subject of a policy experiment.

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 % " .