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
Mexican Armed Forces following the sinking of two Mexican ships by U-boats. In 1990, President Carlos Salinas de Gortari asked the permission of the Congress to send troops to the Gulf War, but it was refused, since there was no declaration of war against Iraq. DN2: Preparation of the military forces to protect the internal security of the country. This would include police actions against guerrilla forces, counter-drug operations, and, originally, political control. Up to 1970, the Mexican Army had been used as a repressive force to maintain the virtual ruling party PRI government. The most controversial use of the military had been