Total SA and Eni SpA are forging ahead with plans to tap huge natural gas deposits that were discovered off the northern coast of Mozambique a decade ago. Their projects and another being considered by Exxon Mobil Corp. could entail $60 billion in investment and have the potential to turn around the economy of one of the world’s poorest countries. The developments have coincided with a series of increasingly brazen attacks by Islamist insurgents in the southern African country. While the main pr
