 Complete the following phrase:  A minor rivalry developed from the 1990s between Argentina and Nigeria, based not on geographical proximity, long-term battles for honours or factors outside football, but due to the frequency of significant matches between them. This has included five World Cup group games, all won by Argentina by a single goal margin: 21 in 1994, 10 in 2002, 10 in 2010, 32 in 2014 and 21 in 2018. The fixture is the most common in the competitions history involving an African nation, and has occurred in five of the six tournaments for which Nigeria has qualified. The sides also met in the 