This section of a 17 May 2006 article from an internal NSA newsletter makes it clear that Japanese foreign policy and trade activities are surveillance targets for the agency: see the Intercept article Japan Made Secret Deals With The NSA That Expanded Global Surveillance, 24 April 2017.
This extract from a July 2008 NSA document describes Argentina as GCHQ’s “primary interest” in Latin America: see the Intercept article Britain Used Spy Team to Shape Latin American Public Opinion on Falklands, 2 April 2015.
Over the past week, Edward Snowden has spoken at conferences organised for lawyers and journalists to improve professional understanding of surveillance issues and countermeasures.
On Friday 7 November, Snowden answered questions from Trevor Timm and Chris Soghoian at an event designed to encourage news organisations to improve their digital security. The #EncryptNews conference was organised by the Freedom of the Press Foundation in association with Reporters Committee for Freedom of the Press and the Open Technology Institute and held in Washington DC.
This NSA document from 10 September 2010 details operations against foreign embassies, concluding with a glossary of tools and tactics. Earlier versions of this docoument that only contained some of the operations conducted were published in l’Espresso on 5 December 2013 and in Le Monde on 21 October 2013: see the book No Place to Hide, 13 May 2014.