No benefits was gained from settling of the West which cost the Native Americans and the environment because due to the expansion and setting of the west, many land of the natives captured by the western to built their colonies so as a result the native Americans lost their land. The setting of west also cause a bad impact on the environment, many species such as buffalo and other animals also extinct at that regions and pollution increases due to mining activities.
B. The United States first sent only aid and military advisors to assist the South Vietnamese in their struggle; however, after a U.S. warship was torpedoed, the U.S. sent troops.
