Wondering how the protests in Venezuela escalated? Here’s a primer on how Venezuela got here, starting with Hugo Chavez’s election 15 years ago and the economic policies his government and successor Nicolas Maduro have taken.

For more on the recent protests, what’s at stake, and how activists are getting around what appears to be a government attempt to block Twitter, see Mariana Atencio’s story, Protests in Venezuela May Shake Balance of Power.