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
Gulf of Oman desert and semi-desert gravelly plains and savanna with thorny acacia trees inland with a background of the Musandam and Al Hajar mountains. The climate is hot and dry with temperatures up to 49 degrees Celsius (120 °F) and little rainfall, especially on the Persian Gulf coast of the UAE. There is more rainfall on the Gulf of Oman and humidity provides moisture on both coasts. The coastal mangrove consists of "Avicennia marina", trees of the inland savanna include "Ziziphus spina-christi", "Prosopis cineraria" and the Umbrella Thorn "Acacia tortilis" while the mountains are home to "Ficus cordata salicifolia", and "Acacia tortilis". Finally the traditional