"This is not just another protest but the beginning of a revolution for freedom," he said, adding: "One of the biggest lies the ruling regime has sold to the world is that there is no alternative." "No oppressive regime can last forever," said Pence who addressed the meeting in person and last year met the MEK's leader Maryam Rajavi at its headquarters in Albania. "We are seeing a rising threat from authoritarian regimes across the world," said Truss, Britain's shortest term prime minister, pointing to the China of Xi Jinping and Russia of Vladimir Putin. "These regimes have been emboldened as the free world has not done enough. I will never give up hope for a free and democratic Iran." "Democracy is under threat around the world. Now is the time to turn our backs on accommodation and appeasement," she said.