Amost extreme example of prejudice and racism in the united states in the 19th century was

a-immigration restrictions placed on catholics and irish immigrants
b-the abolition of slavery that occurred with passage of the thirteenth amendment
c-the removal of 16,000 native americans from their homes in the southeast to territories in the west.
d- racism against german-americans and italian-americans due to the fact that these were enemy countries in world war i

temival ofnatives frin their land's over 16000 were forced off

it is C-the removal of 16,000 Native Americans from their homes in the southeast to territories in the west.

Explanation: found the answer in Quizlet searching this question :)

your answer would be a) no nation can be economically self-sufficient.

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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 % " .