Increased migration - the biggest change to the ethnic composition of the UK is the increase in 'other white'. ... Differences in birth rates - the key factor for the increase in 'Asian' and 'black' groups is the higher birth rates associated with these communities in comparison to 'white British'.
People here in America are used to more personal space because it is not over populated. But in other countries with crowed houses and overpopulation you would not even be able to walk in your own space.
The answer would be C. The Fertile Crescent
Hope i helped
