the swift population rise in the last 2,000 years was caused by an increase ina) food supply
b) disease immunity
c) technological advances
d) access to birth control education

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

How did the end of war and v-j day change working conditions in the u.s.? what did it mean for women in particular?

Which areas where seperated by the iron curtain