Globalization and disease Eurasian diseases to the Americas was that many more native peoples were killed by disease and germs than by the colonists' use of guns or other weapons. Scholars estimate that over a period of four centuries, epidemic diseases wiped out as much as 90 percent of the American indigenous populations. In Europe during the age of exploration, diseases such as smallpox, measles and tuberculosis (TB) had already been introduced centuries before through trade with Asia and Africa. People had developed some antibodies to these and other diseases from the Eurasian continent. When the Europeans traveled to new lands, they carried
To the People of Texas & All Americans in the World To the People of Texas & All Americans in the World To the People of Texas & All Americans in the World is an open letter written on February 24, 1836, by William B. Travis, commander of the Texian forces at the Battle of the Alamo, to settlers in Mexican Texas. The letter is renowned as a "declaration of defiance" and a "masterpiece of American patriotism", and forms part of the history education of Texas schoolchildren. On February 23, the Alamo Mission in San Antonio, Texas had been besieged by Mexican forces led by General Antonio López de Santa Anna.