International migration , though on the rise , has not reached important levels relative to world population . Meanwhile , the number of international organizations has trebled since 1980 . Among international advocacy groups , those concerned with human rights , the environment , women 's rights and world peace have grown fastest . The World Wide Web has accelerated cross-b economic , political and cultural exchange during the 1990s to an extent that is difficult to measure but surely staggering . Uses The extensity , intensity , speed and sheer volume of...











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