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I think having a world cup in this region will encourage many new countries to have a serious approach toward football. Asia is a big continent but here we do not have any strongest teams like in South America or the European region.
The issue with Asia and Africa, who also held a World Cup at the time, is that at the national team level they have always had potential in the sub-20 and sub-17 categories, but they have not finished the continuity process with the higher categories.
At the end of the 20th century, it was said that an Asian or African soccer team should win a World Cup, in the early years of the 21st century...
In fact, the reality of holding a World Cup in Asian and African countries, was addition to the growt football at continentes Asían/ African but the reality is that they are not usually the first sport in some of those countries on Asia, unlike the European or American ones.