Explain the events which led to the long walk of the navajo

The American who had European origin began to settle to in the areas occupied by the Navajo people. This led to conflicts between the people of Navajo and the settlers. They also had fought with the US army which made the US army to relocate them from their ancestral lands. Many people numbering about 200 died on the way to Bosque- Redondo due to lack of food,shelter and harsh weather conditions.

the answer would b b

the answer would be choice c, cave paintings.