The attractiveness of back-to-the-land movements dates from the Roman era, and has been noted in Asian poetry and philosophy tracts as well (Agriculturalism).[3][failed verification] In the 1700s philosophy of physiocracy developed in France and by the 1800s and early 1900s the philosophy of Agrarianism had taken hold in many places around the world. The ideas of modern homesteading proponents, such as Ralph Borsodi, gained in popularity in the 1960s in the United States. Self-sufficiency movements in the 1990s and 2000s began to apply the concept to urban and suburban settings, known as urban homesteading.