Megafauna — in the sense of the largest mammals and birds — are generally K-strategists, with high longevity, slow population growth rates, low mortality rates, and (at least for the largest) few or ...
The Quaternary glaciation is one of five glaciations during Earth's history. The other four include; Huronian glaciation, Cryogenian, Andean-Saharan glaciation, and Karoo Ice Age.During the Quaternary ...
During the last glacial period, enough of the earth's water became frozen in the great ice sheets covering North America and Europe to cause a drop in sea levels which exposed the sea floors of many i ...
The specifics of Paleo-Indian migration to and throughout the Americas, including the exact dates and routes traveled, are subject to ongoing research and discussion. The traditional theory has been t ...
By the 1920s studies indicated that blood type O was predominant in pre-Columbian populations, with a small admixture of type A in the north. Further blood studies combining statistics and genetic res ...
The chronology of migration models is currently divided into two general approaches. The first is the short chronology theory, with the first movement beyond Alaska into the New World occurring no ear ...
Colombia has had a significant role in the illegal drug trade in Latin America. While active in the drug trade since the 1930s, Colombia's role in the drug trade did not truly become dominant until th ...
Drug smuggling carries severe penalties in many countries. Sentencing may include lengthy periods of incarceration, flogging and even the death penalty (in Singapore, Malaysia, and elswhere). In Decem ...
Confederation was accomplished when the Queen gave royal assent to the British North America Act (BNA Act) on March 29, 1867, followed by a royal proclamation stating: "We do ordain, declare, and comm ...
In the spring of 1864, New Brunswick premier Samuel Leonard Tilley, Nova Scotia premier Charles Tupper, and Prince Edward Island premier John Hamilton Gray were contemplating the idea of a Maritime Un ...
Canada is a federal state and not a confederate association of sovereign states, the usual meaning of confederation; but is often considered to be among the world's more decentralized federations.In t ...
The struggle for Mexican independence dates back to the decades after the Spanish conquest of the Aztec Empire, when Martín Cortés (son of Hernán Cortés and La Malinche) led a revolt against the S ...
Free blacks in the North and South fought on both sides of the Revolution, but most fought for the patriots. Gary Nash reports that recent research concludes there were about 9000 black Patriot soldie ...
John Locke's (1632–1704) ideas on liberty greatly influenced the political thinking behind the revolution, especially through his indirect influence on English writers. He is often referred to as "th ...
Further information: Southern theater of the American Revolutionary War and Naval operations in the American Revolutionary WarThe British strategy in America now concentrated on a campaign in the sout ...
