In the Crédit Mobilier scandal, Union Pacific investors became rich by (A) accepting bribes from business owners to route railroad tracks through their
towns.
(B) achieving a monopoly in hauling freight along their railroads' tracks.
(C) conspiring with other railroads to set high prices.
(D) paying inflated bills from a construction company they controlled.

i think it would be reparing roads  

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.

c. free trade can lead to low pay for workers in poorer countries.