Editors. "Spain and France give Portugal ultimatum". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=13501, accessed 28 September 2016.]
The convention between France and Spain to issue an ultimatum to Portugal was intended to break that country's traditional allegiance to Britain which, if not accepted, will lead to war (promulgated by the Treaty of Aranjuez, Mar. 21st, when Spain also agrees to cede Louisiana to France)
Please log in to consult the article in its entirety. If you are a member (student of staff) of a subscribing institution (see List), you should be able to access the LE on campus directly (without the need to log in), and off-campus either via the institutional log in we offer, or via your institution's remote access facilities, or by creating a personal user account with your institutional email address. If you are not a member of a subscribing institution, you will need to purchase a personal subscription. For more information on how to subscribe as an individual user, please see under Individual Subcriptions.