“Greater Israel” is an extremist ideology for Israel to conquer Palestine as well as parts of numerous other countries.
Archived version: https://archive.is/newest/https://truthout.org/articles/netanyahu-backs-idea-of-greater-israel-which-includes-parts-of-jordan-egypt/
Disclaimer: The article linked is from a single source with a single perspective. Make sure to cross-check information against multiple sources to get a comprehensive view on the situation.
He thinks he’s going to be done with Palestine soon, and knows that his ultra national coalition allies need a new enemy, or they may leave. If they leave the coalition the sword of Damocles, that is his corruption trial, will be that much closer to falling on his head.