In 1943, Horstmann and Tatlock reported detecting cold agglutinins in the serum of patients with primary atypical pneumonia. Fifty years after Landsteinerâs findings, the term âcold agglutinin diseaseâ was coined by Schubothe.
Mulattoes were the direct offspring of plantation rapes. Slave masters often threat the female slaves if they resist the masterâs desire of having intercourse. If they fought back, the female slaves will be whipped, will be beaten up, or worse of all, will be killed.
The peninsulares were the highest caste in the Spanish colonial society. They were the only class of people who held public office, and they were from the mainland of Spain. Creoles were the next level of society, and they were those people directly descendant from Spanish blood but born in the colonies. Mulattoes and mestizos were relatively low classes, and these people were of mixed races between Spaniards and Africans or Native Americans. The Spanish viewed Africans to be the lowest ...