How are the white mans burden and the Brown mans burden the same ?

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 enlightenment change attitudes about existing political systems

The largest lake in south america is lake titicaca?