Immigrants were moving to the U.S. Most of them moved to cities and a lot of them made up our work force.
1st Heart Transplant = By Chris Barnard (12/03/1967)
Chicken Pox Vaccine = was Licence in 1995 ( but started tested in the 70s)
Microwave Ovens = By Percy Spencer in 1945
1st Computer = In 1975 (Got To love the 70s One of the Classic Years Of Music)
Barcodes= 1st Use was on Wrigley's Gum (My Favorite) in June 1974 (But the idea started from the Association Of American Railroads (Sponsored) in 1the very late 1960s
Lasers = By Theodore H. Maiman in the 1960's based on the work of two other fellow Scientists
<span>A. They lost much of their crops to floods and disease
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It is one of the several reason why farmers increasingly lost their independence to shopkeepers and merchants. this is because poor yield resulting from floods and diseases directed the masses to the shops and merchants ,away from the farmers.
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C : buffalo hunters in texas destroyed herds