Some of the pull factor codes were things like the Homestead acts which were a series of acts on land allocation. For example, if you went westwards, the country would give you a huge piece of land which would become fully yours after five years of successful agricultural business.
In 1930, severe droughts in the Southern Plains brought high winds and dust from Texas to Nebraska, killing people, livestock and crops. The “Dust Bowl” inspired a mass migration of people from farmland to cities in search of work.
