video leading to a quiz
Hans Rosling :200 yrs in 4 mins life expectancy in 1810 was 40 years and the GDP per capitta was 4000$ infant mortality/maternal mortality dragged the number down bc. some people lived past 40 also sickness like FLU bc. of no vaccines/antibiotics European countries lead industrial rev. in 1909 t spreads to western countries asian and african countries are still sick and poor and not part of industrial rev. late 1700s-1800s industrial rev. starts world war i and Spanish FLU cause a big drop in 1900s 1948- end of world war 2