Final answer:
The letter's reference to doctors and scientists' claims is rooted in the misapplication of biology to justify gender and racial inequality, which feminists during the late nineteenth-century fought against by promoting women's rights and education.
Step-by-step explanation:
The reference to the claims of "our doctors and scientists" in the 1894 Egyptian journal letter can be best understood in the context of the late nineteenth-century processes where physical differences between genders and racial groups were used to justify the denial of rights to women and non-Europeans. During this time, there was a significant clash between the traditional understanding of gender roles and the emerging first-wave feminism. This feminist movement highlighted the importance of women's rights and challenged ingrained societal norms that limited women's legal status and autonomy.
Despite biological assertions that attempted to reinforce male superiority through physical characteristics, first-wave feminists argued that if women were given the same education and legal rights as men, any perceived differences in capabilities would prove insignificant. The rise of liberal ideologies supported the claim that "all people are equal," laying the foundation for the argument that women's suffrage and legal equity were the logical progression of modern society's development.