Patrick I watched the movie a few days ago...so it is fresh in my mind. And I am gonna accuse you of something that I never thought I would accuse a fellow Star Wars Fan: You are looking too deep into the movie. Palpatines only motivation for he invasion was the sympathy vote...Don't forget he still has to play the role of Sidious The Conqueror to the TF, even if he had gotten his original goal of getting elected. And he wasn't elected before the Battle of Naboo started. What better sympathy vote can you get then when your queen is fighting and perhaps dying to free your people? The opening crawl mentions taxation dispute-it wouldn't be an exactly great leap of logic to say that an organization called the Trade Federation would want to lift taxes. Or maybee they wanted them increased...but either way, the Blockade was a protest about the Taxation. The Trade Federation wasn't trying to do anything behind anyones back, per se. When the Jedi Amassadors arrived, TF was actually ready to give up. In fact, when Sidious Orders the Landing, The TF asked "Is it Legal?" And Sidious Respons "I will MAKE it leagal" Why ask that question if you are trying to "pull" something? The appearence of the Jedi forces the time table up. And since Palpatine knew that the Ambasadors were coming(if not requested by him) SIdious knew that they were coming...and forced the TF to invade, though they themselves question the legality of it.