The salute is often thought to date back to Roman times, but there is no evidence that soldiers raised their hand as a formal greeting. Another theory is that it originated in medieval Europe, when knights used their hands to raise their visors, revealing their identity to demonstrate they were friendly.
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Do I understand the point the author is trying to make?
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Do I comprehend the author's information about the subject of their text?
Answer:
what? i mean same but okay
