How did the massive influx of immigrants from Europe into the United States in the late 19th and early 20th centuries alter the cultural and economic characteristics of the United States?

all fossil fuels are nonrenewable, so think coal, gasoline, things that we will eventually run out of. all fossil fuels are nonrenewable resources, but not all nonrenewable recourses are fossil fuels. these resources are not being renewed as fast as we are using them. i hope this considering there weren't any answer choices.