Q: Is Hashimotoâs Thyroiditis hereditary? A: Yes. If someone in your family has Hashimotoâs Thyroiditis, especially one of your parents, you should get tested. Q: Is soy bad for ... Read More
Darwin s theories played an important role in the American s usage of eugenics and in the justification of racial and sexist separateness. Eugenics, the study of human heredity, aimed at improving the human race, proved to be one of the most enduring aspects of Social Darwinism.ocial Darwinism in American History Toward the end of the 19th century, the United States entered a period of growth and industrialisation. An abundance of natural recourses, cheap labour supply, ...
the importance is:     In the United   States in the 19th century, Manifest Destiny was the widely held   belief that American settlers were destined to expand t â¦ hroughout the continent.  This concept, born out of A sense of mission to redeem the Old World by   high example ...t was used by Democrats in the 1840s to justify   the war with Mexico and it was also used to divide half of Oregon with Great   Britain. But Manifest Destiny always limped along because of its internal   limitations and the issue of slavery, says historian Frederick Merk.