What was one of the major social impacts of the 1918 influenza pandemic? 1) global economic boom 2) decrease in global population growth 3) changes in public health policies 4) rise in global temperatures. I think it was 1), but I dont know for sure if im being honest. Please help and if thats wrong explain the correct answer and why the one I chose isnt correct. However, based on researching I believe 1) is still correct