Alice Catherine Evans service worker was protected by law. Alice became interested in the disease brucellosis and its relationship to fresh, unpasteurized milk. Alice's investigation focused on the organism "Bacillus abortus", known to cause miscarriages in animals. Alice learned that the microbe thrived in infected cows as well as animals that appeared healthy. The reports hypothesized that since the bacteria was found in cow's milk, a threat to human health was likely. Evans decided to investigate this; she wondered whether the disease in cows could be the cause of undulant fever in humans. She reported her findings to the Society of American Bacteriologists
Balance of threat Balance of threat The balance of threat (BoT) theory was proposed by Stephen M. Walt first in an article titled ""Alliance Formation and the Balance of World Power"" published in the journal "International Security" in 1985 and later further elaborated in his book ""The Origins of Alliances"" (1987). The balance of threat theory modified the popular balance of power theory in the neorealist school of international relations. According to balance of threat theory, states' alliance behavior is determined by the threat they perceive from other states. Walt contends that states will generally balance by allying against a perceived threat, although