What time period are you referring to because at one time no.
NASA’s goal is to explore space by various different ways and to see what is out there. NASA also test what are on planets around us and far away. NASA studies stars, novas, mass, dark matter, pulsars, planet etc... They apply this knowledge to our own planet to figure out how the earth and solar system where made. So questions NASA have can be is there life somewhere besides earth or how was earth and the galaxy formed or is there anything on mars or is anything going to happen in the future that affects us
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the impact on American society is that they without migrants America wouldn't be as diverse and my opinion it wouldn't be so free it also created things like China town. We celebrate different cultures and different religions because of immigration