The cultural decoding that many American writers require has become an even harder task in the age of globalisation. The experience they describe has grown more private; its essential background, the busy larger world, has receded.
The idea that modernisation makes for enhanced national power and rapid progress and helps everyone achieve greater happiness has its origins in the astonishing political, economic and military successes of western Europe in the 19th century.
I am often struck by the anxious inferiority many well-educated British people display towards the U.S., particularly Londoners dazzled by New York, when many postcolonials are accustomed to regarding Britain's old imperial cosmopolis as the true capital of the western world.
Policymakers can draw much from 'The Need for Roots': such clear prescriptions as that employers ought to provide an adequate vocational training for their employees, education should be compulsory and publicly funded, and include technical as well as elementary education.
Democracy, loudly upheld as a cure for much of the ailing world, has proved no guarantor of political wisdom, even if it remains the least bad form of government.
After the oil crisis of 1973, many European countries tightened restrictions on immigrants. By then, millions of Muslims had decided to settle in Europe, preferring the social segregation and racial discrimination they found in the West to political and economic turmoil at home.