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
Timeline of the Mexican Drug War starting point of the Mexican Drug War between the government and the drug cartels. As time passed, Calderón continued to escalate his anti-drug campaign, in which there are now about 45,000 troops involved along with state and federal police forces. "Note: To make the list more manageable, murdered politicians are listed separately in list of politicians killed in the Mexican Drug War, and journalists assassinated are listed at list of journalists killed in the Mexican Drug War. Other notable events in the ongoing conflict are included below." For 2007, the drug-related death toll reached 2,477. For 2008, the drug-related death