The correct option is THE MOUNTAIN RANGE HAVE OFTEN PROTECTED INDIA FROM NORTHERN INVADERS.
There are a number of mountains in the north of India. When invaders storms this part of India, natives typically hide inside these mountain caves to escape from them. The mountain terrains also discourage the invaders to invade at times.
White clergymen that said he was unwise and untimely
1860- African American men given the right to vote under the 15th amendment
Reconstruction- the term used for post- Civil War period in the South
sharecroppers- people who worked the fields in exchange for a share of the crops
1865- the end of the Civil War