A conclusion that can be drawn from the graph is that the demand for books increased slightly between the fourteenth and fifteenth centuries.
slightly between the seventeenth and eighteenth centuries.
sharply between the sixteenth and seventeenth centuries.
sharply between the eighteenth and nineteenth centuries.

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.

answer is a. counterclaims