What was the biggest effect the columbian exchange had on europe?
o
a. diseases from the new world killed millions of europeans.
o
b. african slaves were brought to europe to work the land.
o
c. new types of food many europeans live better lives.
d. europeans sold many animals to native american tribes.

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.

determination

the treaty of brest-litovsk was a peace treaty signed on 3 march 1918 between the new bolshevik government of russia and the central powers (german empire, austria-hungary, bulgaria, and the ottoman empire), that ended russia's participation in world war i.