Vietnam was formerly known as:

🧠 Explanation:

Vietnam, formerly known as Indo-China under French colonial rule, gained independence in 1945. The term “Indo-China” referred to the region including Vietnam, Laos, and Cambodia, reflecting French influence from the 19th century. Vietnam’s renaming marked its sovereignty and cultural identity post-colonialism. The transition involved conflicts like the Vietnam War, shaping its modern history. Vietnam’s evolution from Indo-China to a unified nation highlights its resilience and national pride. This historical shift is studied in geopolitics, reflecting the complexities of colonial legacies and the struggle for self-determination in Southeast Asia.