For each of the tensions listed below, briefly describe what you think each tension means and give one specific example about how that tension might be seen in the world today.
conservative vs. liberal
elite vs. masses
peaceful change
vs. violent change
dictatorship vs. democracy
nationalism vs. imperialism

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.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering