It was Cameroon in 1990.
cameroon, senegal and Ghana
Beside Cameroon Ghana have reached the quarter finals.
senegal in 2002
Three countries from Africa have reached the quarter finals, Cameron 1990, Senegal 2002 and Ghana 2010.
The US reached the quarter final in 2002, when they lost to Germany.
They are both about equal, however, Algeria reached the African Nations Cup final (but lost to Egypt).
has a African team ever won the world cup
They reached the Quarter-Final's then got Knocked out by Portugal on Penalties.
Nobody so far, as they have not reached the quarter final.
In the 2006 world cup England reached the quarter final.
Yes Arsenal were eliminated they reached the quarter finals in 2007, in 2006 they lost the final to Barcelona.