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9.1a Advances

AP World History 9.1a Advances in Tech and Exchange after 1900

QuestionAnswer
What were the new modes of communication after 1900? radio communication, cellular communication, and the internet Radio: Marconi, CB radio talk 20 miles? Short wave: international Cellular: like some phones? Fax, Cellular: like some phones? Fax
What were the new modes of transportation after 1900? including air travel and shipping containers, reduced the problem of geographic distance., Air travel: 1903 Wright brothers, mail service, military, public travel; Lindbergh, Sea travel: bigger, faster ships, carrying petroleum, other cargo
How did technology impact work? one might include telecommuting as part of this transformation
What increased the production of material goods? Energy technologies, including the use of petroleum and nuclear power, raised productivity and increased the production of material goods.
What resources decreased in demand after petroleum was beginning to be produced? Switch from wood, to coal, to petroleum
What resource created environmental and disposal concerns? Nuclear: environmental concern for use and disposal
What were the percentages of resources uses in the world during this time? What fuels were used? world: less than 10% hydro, less than 10% nuke, fossil 80%, other 1%
What ended with the use of nuclear weapons? WWII began with lots of real horse power (6 million) and ended with nukes
What impact did birth control have on general populations? More effective forms of birth control gave women greater control over fertility, transformed reproductive practices, and contributed to declining rates of fertility in much of the world.
What techniques were used before birth control became available? Before the pill: techniques such abstinence, timing, condom/diaphragm, Planned Parenthood/Sanger d.1966, The Pill: 1960 careful marketing at first, see Griswold v. CT
What did family size depend on? family size depended on age of marriage;
What families (urban or rural) wanted to have more children? Why? urban families v. rural who wanted more kids to work the farm (all wanted kids to care for them in old age
What became legal in 1973 that impacted human birth rates? Abortion in US legalized 1973, globally 56 million per year
How many children did a woman of the 50's have? in 1950 average 5 kids per woman,
How many children would a woman of the 2020's have? When will the population numbers level off. now about ½ that (2.5 kids); world pop will level off about 2100
What sustained the world's growing population? The Green Revolution and commercial agriculture increased productivity and sustained the earth’s growing population as it spread chemically and genetically modified forms of agriculture.
Population has always been a concern. What did the numbers look like from 1800-1999? Population problem by 1950: 1 b. by 1800, 2 b. by 1930, 4 b. by 1974, 6 b. by 1999, now almost 8 b.
Who was Normal Borlaugh? What did he do? Green Revolution 1950s-60s: Norman Borlaug plant production in Mexico, hybrids resistant to drought, pests, big use of fertilizer, Nobel Peace Prize 1970, he literally saved the lives of 100s of millions, environmental criticism
What does GMO stand for? Why was it a concern? GMO (genetically modified organism) foods/drugs and concerns
What helped to improve the longevity of a human life? Medical innovations, including vaccines and antibiotics, increased the ability of humans to survive and live longer lives.
What big names helped to develop vaccines for viruses? Vaccines for virus? (from cow=vaca, pox): by 1700s from Ottoman? Jenner d.1823, Pasteur d.1895; widespread use 20th c.
Who created penicillin and when/where did it make it's first big impact on the world? Antibiotics: for bacteria, Fleming 1928, penicillin saved many lives in WWII
Created by: Saenz2004
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