Factors exogenous to a country's current level of income are identified as being responsible for some 84% of the increase in life expectancy during the period. ... But neither country's mortality has been directly affected by its own income; the effect shows up as a shift in the curve.
D. A play-by-play account of a hockey match.
The intended meaning is to show how the speaker thinks that the colonists are being unfairly treated by the British government.