America's Last Fortress: Puerto Rico's Sovereignty, China's Caribbean Belt and Road, and America's National SecurityChina's Belt and Road initiative is on the way. Premier Xi's agenda? For China to have unrestricted access to the rest of the world. At the focus is America's last fortress Puerto Rico, with its own canal that sits primely at the southern entrance of the Caribbean from the Atlantic Ocean. The only way that China can exercise influence in Puerto Rico and move freely around the globe is if Puerto Rico becomes an independent nation. Puerto Rico's