Two factors decided the success of the Falklands campaign, almost before it began.

Ex-Defence Secretary John Nott warns over Falklands

Three gripping accounts of the Falklands War lead John Nott, then Secretary of State for Defence, to reflect on his part in the conflict – and to offer a warning about our military future.

http://www.telegraph.co.uk/culture/books/bookreviews/9160552/Ex-Defence-Secretary-John-Nott-warns-over-Falklands.html