What is this language I really don't know​

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.

Which group was responsible for determining the borders of african colonies and later countries

What phrase best describes the new worlf order