Migrant workers in the Persian Gulf region point out the longstanding relationship between Indians and the Persian Gulf, where many stayed for generations and even became citizens. The second wave may be defined as the migration which took place after the British arrived in the Persian Gulf region in 1820. The British conflict with the Al Qasimi family, who held control over the Strait of Hormuz, started with the British refusal to pay toll for British ships passing through the Strait. Conflict broke out and the Qawasim fleet was destroyed. Pax Britannica was applied to the whole region, which included a series of treaties imposed on the
Persian Gulf fishing grounds, extensive reefs (mostly rocky, but also coral), and abundant pearl oysters, but its ecology has been damaged by industrialization and oil spills. The body of water is historically and internationally known as the "Persian Gulf". Some Arab governments refer to it as the "Arabian Gulf" () or "The Gulf", but neither term is recognized internationally. The name "Gulf of Iran (Persian Gulf)" is used by the International Hydrographic Organization. The Persian Gulf resides in the Persian Gulf Basin, which is of Cenozoic origin and related to the subduction of the Arabian Plate under the Zagros Mountains. The current