By the early 1980s the General Agreement was clearly no longer as relevant to the realities of world trade as it had been in the 1940s. For a start, world trade had become far more complex and important than 40 years before: the globalization of the world economy was underway, trade in services — not covered by GATT rules — was of major interest to more and more countries, and international investment had expanded. The expansion of services trade was also closely tied to further increases in world merchandise trade. In other respects, GATT had been found wanting.