In the korean war, the united nations for the first time.
a. imposed sanctions
b. used military force
c. sided with a communist country
d. opted not to act

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.

the constitution gives congress the power to regulate commerce "among" the several states.