Cubans hunched over tables this month to sign up for the socialist government’s campaign to support national sovereignty and defy the U.S. as tensions between the two countries escalate. Signatories aged over 16 have endorsed the “My signature for the Homeland” movement, which President Miguel Díaz-Canel launched earlier this month. The state initiative is mocked by some who question why people stood in line to sign when hunger and poverty is growing across the island, while supporters say it is a move that serves as a warning to the U.S. that civilians want peace but will not back down despite recent threats of invasion. “Anything for the revolution,” said Rodolfo Ruiz, 64, who sells sunglasses and other items out of his home in Havana . He said he signed last week because of President Donald Trump’s ongoing comments over Cuba, “so that he may hear and know that we are willing to defend our sovereignty.” “Watch out, Trump. Think before you invade Cuba, think carefully. The people are prepared,” Ruiz said.…