The table below shows population growth rate, employment rate and rural to urban migration in Botswana from 1971 to 2011.

1. aState three problems that could result from the population growth rate between 1971 and 1981. [3]
2. bExplain two factors that could have influenced population growth rate between 2001 and 2011. [4]
3. cAssess one strategy which could have been used to manage population growth rate between 1971 and 1991. [3]

You'll mark your own answer against the marking guide when you hand it in.