Instructions: select the correct answer. following world war ii, internal migration flowed south and west as industries relocated. as a result, employment opportunities grew in the region known as the sun belt. why did industries choose to move to this area? 1 economic instability in the old rust belt caused workers and businesses to lose faith in the region. 2 states in the sun belt had a weak union presence, right-to-work laws, and lower taxes. 3 growing populations in the south meant a large, untapped market for manufactured goods. 4 better weather in the sun belt enticed agricultural industries by promising longer growing seasons.