Arrange the four sentences in order so that they make a logically coherent paragraph.
A. Widely publicised tables of income levels of all countries indicate that when incomes are higher, the greater is the contribution made by the manufacturing industry.
B. Countries which have little or no industry are almost in invariably poor.
C. The lesson is clear: to overcome poverty and backwardness, a country must industrialise.
D. Industrialisation is seen as the key to growth and a prerequisite for development