Based on the information given, the ideas in the excerpt were directly motivated by the concerns about the legal status of non-white people on acquired territory.
From the information given, in the excerpt, it was stated that Hordes of Mexican Indians may come in here from the West and may be more formidable than the enemy that has vanquished if the term white is struck from Americans.
This was motivated as a result of the concerns about the legal status of non-white people on an acquired territory. The excerpt was that blacks in the country were inferior and giving them equal rights may not be the appropriate thing to do.
Learn more about excerpts on:
https://brainly.com/question/24864502