IPA or APA? Whats the difference?

[Llamapup]

Please excuse these very basic questions. I understand that IPA stands for India Pale Ale, and APA means American Pale Ale, but what's the difference?

Thanks

Llamapup

 

[johnnyboy1965]

have a look at http://www.beerrecipes.org. This explains all the criterias of different beers

"Beer Styles" section