UGC 112 Study Guide - Quiz Guide: Luther Burbank, Guano, Influenza Pandemic

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// global demographics: the world"s population rises: population growth + consequent rising demand -> lay at the heart of drive for new sources of energy. By 1900 -> about 1. 6 billion people in the world. Around 1800 -> only four large areas could be called densely settled. East asia -> china, japan, & korea. Indian subcontinent: population increase -> result of continuing favorable pattern of global disease. Surprising that the world stayed relatively healthy. As people got more crowded together -> new eco-niches opened for disease. Improvements in long-range communications -> easier for disease to spread. Huge increases in rate & range of travel/migration. Influenza pandemic 1917 1919 -> killed 30 million worldwide: epidemics multiplied. Growing cities -> ill planned & poorly equipped with drainage/sanitation. Urban plagues -> cholera, dysentery, & typhus. Cholera arrived in china from india in 1820 -> common problem in europe. Populations suffered nutritionally -> polluted & nutritionally inadequate food.