What did the Truman Doctrine and the Marshall Plan have in common? A) They were both efforts to win the nuclear-arms race.
B) They were both opposed by Republicans in Congress.
C) They were both part of the U. S. effort to rebuild Germany
and Japan.
D) They were both intended to stop the spread of communism
in Europe.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

these civilizations were located around fertile rivers, where they could produce an abundance of crops

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 % " .

because it’s really sad that’s why it’s in history native americans getting kicked out of their homeland.