Just build 2x the entire current US infrastructure (schools, roads, farms, power plants, hospitals, water systems, housing,...) to maintain current living stand

Just build 2x the entire current US infrastructure (schools, roads, farms, power plants, hospitals, water systems, housing,...) to maintain current living standards - easy! Or in other words, for each US city, build 2 more identical cities. The 672M new Americans would have already done so in their home countries, but they lacked the unique opportunities of America to do so. And once they are in a country where present-day Americans make up 33% of the population, that will change. Oh and don't forget about lowering your carbon footprint and safeguarding the environment. The best way to do that: https://www.theguardian.com/environment/2017/jul/12/want-to-fight-climate-change-have-fewer-children https://www.theguardian.com/environment/2017/jul/12/want-to-... Article also does a great job of making the current, highest-it's-been-in-a-century rate of immigration seem low: https://www.statista.com/chart/11534/us-immigrant-population-hit-record-437-million-in-2016/ https://www.statista.com/chart/11534/us-immigrant-population...