Speaks volumes that they believe military better represents the concept of citizenship than Keller. This purposefully minimizes the fact that engaged and activist citizens can effect change. Keller inspired countless people, including those with disabilities and those without, to advocate for disability rights and full participation in society.
It seems they do not want to give such an example the acknowledgment and influence it is due.
https://www.dallasnews.com/news/education/2018/09/14/history-curriculum-texas-remembers-alamo-forgets-hillary-clinton-helen-keller
The 15-member work group came up with a rubric for grading every historical figure to rank who is "essential" to learn and who isn't. The formula asked questions like, "Did the person trigger a watershed change"; "Was the person from an underrepresented group"; and "Will their impact stand the test of time?"
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Neither Poth nor Matthews said she was in the small group that made the decisions about Clinton and Keller. In a note next to the deletion from the third-grade social studies curriculum in which Keller was included in a lesson about "the characteristics of good citizenship," the work group wrote, "Helen Keller does not best represent the concept of citizenship. Military and first responders are best represented."