translate English to French: The bulk of those investments were concentrated in a few LDCs, which were rich in natural resources, and he warned that they would not have a positive impact on the socio-economic life of those countries.
Ces investissements étaient concentrés dans quelques PMA riches en ressources naturelles et il était à craindre qu'ils n'auraient pas d'impact positif sur la vie socioéconomique de ces pays.