You're misunderstanding the economics of immigration. The economic risks are far worse without it than with it. Capitalisms core mechanisms demand growth to thrive, North Americans are not having birth fast enough to replace their own population. Immigration is absolutely mandatory if you want to retire someday. Immigrants often also create far more jobs than they "take", if they open a restaurant that provides jobs, for example, there is a net positive to the economy there. There is a higher rate of entrepreneurship in immigrant populations (immigrants are about 80 percent more likely to found a firm, compared to U.S.-born citizens). The only thing that "allows" pushing down the minimum wage is voting for conservatives who believe you should starve for being born poor.