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- Brazil, India, South Africa, and Saudi Arabia declined to endorse Ukraine's sovereignty this weekend.
- It came at the end of a Ukraine peace summit in Switzerland.
- Keeping a few powerful countries undecided is one way Russia can limit any diplomatic isolation.
Over the weekend, Ukrainian President Volodymyr Zelenskyy rallied countries from around the world to support his call for Russia to end its invasion.
"Russia can start negotiations tomorrow if they pull out of our territories," Zelenskyy said at a peace conference in Switzerland, according to the BBC.
The conference is one of the most high-profile attempts to date to find an agreement on routes to peace.