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The neocortex of many cetaceans is home to elongated spindle neurons that, prior to 2019, were known only in hominids. [33] In humans, these cells are thought to be involved in social conduct, emotions, judgment and theory of mind. [34]
Species of the infraorder Cetacea A phylogenetic tree showing the relationships among cetacean families. [1]The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to have proceeded over a period of at least 15 million years. [2]
Cetaceans are famous for their high intelligence, complex social behaviour, and the enormous size of some of the group's members. For example, the blue whale reaches a maximum confirmed length of 29.9 meters (98 feet) and a weight of 173 tonnes (190 short tons), making it the largest animal ever known to have existed.
Prehistoric warfare refers to war that occurred between societies without recorded history.. The existence—and the definition—of war in humanity's hypothetical state of nature has been a controversial topic in the history of ideas at least since Thomas Hobbes in Leviathan (1651) argued a "war of all against all", a view directly challenged by Jean-Jacques Rousseau in a Discourse on ...
Military theory is the study of the theories which define, inform, guide and explain war and warfare. Military theory analyses both normative behavioral phenomena and explanatory causal aspects to better understand war and how it is fought. [1] It examines war and trends in warfare beyond simply describing events in military history. [2]
In China, the Maoist Theory of People's War divides warfare into three phases. In Phase One, the guerrillas earn population's support by distributing propaganda and attacking the organs of government. In Phase Two, escalating attacks are launched against the government's military forces and vital institutions.
Before World War II, the events of 1914–1918 were generally known as the Great War or simply the World War. [1] In August 1914, the magazine The Independent wrote "This is the Great War. It names itself". [2] In October 1914, the Canadian magazine Maclean's similarly wrote, "Some wars name themselves. This is the Great War."
Conversely, bellicose democratic leaders can rely on the acknowledgement of the legitimacy of the democratic process, as pacifist actors in democracies will need to respect the legitimacy of a democratically elected government. If pro-war groups can capture the organs of the state in a democracy legitimately, then anti-war groups will have ...