The 35-year-old Maduro rival Guaidó was largely unknown outside Venezuela until the beginning of this year, but he is now backed by the United States, Israel, Canada, and a number of South American countries, including Brazil, Argentina and Peru, as other governments are considering whether to throw their support behind the Venezuelan opposition, as well.

But Maduro isn’t yet as isolated as the United States would like him to be. The government’s key backers, Russia and China, continue to support him.

Here’s an overview over who is on which side, and why.