The Apache distrusted the US Army because the US army has attacked them at the peace conference.
Option D is the correct answer.
Apache was a group of Native Americans in the Southwest of the United States. They have the most terrifying warriors in North America.
Apache warriors consisted of males who did most of the fighting and the women & children were also given training for using guns and horse riding. They have not trusted the militant army of the US as the US army has betrayed the Apache warriors by attacking them at the peace conference.
Therefore, the US army attacked the Apache and they have no faith in them.
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