Using information from articles, what are some examples of conflict that occurred between ethnic groups as a result of westward expansion?

The massive believe of inferity among whites was there and disliking of Indians by whites are some examples of conflicts that occurs between ethnic groups as a result of westward expansion.

The westward expansion cause several kind of conflicts including the killing of Indians and mastery of land as well. These conflicts occurs between the ethnic and cultural groups because of the expansion of land territory. The whites and the Indians have different thoughts. Indians did not consider anyone as the master of the land but the whites were having opposite mind set.  

The whites wanted to expand their land territories because they thought they had right to the land as they were inferior. Buffalo that supported Indians were killed by the white hunters. The settlers used their power and kept on moving Indians which caused the rise of several conflicts between these ethnic groups.

determination