 Since then, there have been many attempts by successive colonial administrations, the independent Tanzanian government, and foreign missionaries to settle the Hadza, by introducing farming and Christianity.These efforts have largely failed, and many Hadza still pursue virtually the same way of life as their ancestors are described as having in early 20th-century accounts.In recent years, they have been under pressure from neighbouring groups encroaching on their land, and also have been affected by tourism and safari hunting.