A detailed report on the within the Legends (formerly Expanded Universe) continuity reveals a narrative much deeper than the film alone . While the core plot remains the same, Legends-era works like James Luceno's Darth Plagueis and Terry Brooks' novelization recontextualize the trade dispute as a meticulous Sith masterpiece. The Sith Grand Plan (Legends Context)

The "Menace Revealed" era of Legends bridged the gap between episodes.

Sidious reflects on the Rule of Two and Darth Bane , who lived approximately 2,000 years prior (later retconned to 1,000 in canon).

Plagueis had significant financial interests in the Banking Clan , which had invested heavily in Naboo's plasma refineries. The blockade drove up plasma prices, funding the Sith's future war efforts while garnering political sympathy for Palpatine, a Naboo native.