Which event led to the Battle of Gettysburg? A. General Robert E. Lee attempted to invade Union territory.
B. General Robert E. Lee attempted to invade Confederate territory.
C. General Ulysses S. Grant attempted to invade Confederate territory.
D. General Ulysses S. Grant attempted to invade Union territory.

I think A.

Explanation:

Its either A. because B. doesn't make sense. Why would Robert attempt to invade the Confederate when he the general for them. Same goes with C. So you can do process of elimination. Which gives you A. and D. left.

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 % " .

the answer to your question is c