In what context (historical developments) did nationalism take hold in Europe? In the Americas?

Adam smith, who is considered "the father of capitalism," believed in a laissez faire approach the economy. smith described one exception, though, when governments should get involved. what role did smith believe government could and should play?

What might be something all americans believe in that unite us as a nation ?

How did the theory of social darwinism impact immigrants? it inspired in the immigrants pride that they were able to survive the harsh conditions of their home countries to come to the united states. it demonstrated that immigrants were the most suitable candidates for factory work because they were the most likely to immigrate to rural areas. it encouraged assimilation of immigrants into the american culture through education that involved courses in english and american food and clothing. it provided new american immigrants with a clearly defined social support system to ensure that basic nutritional, educational, employment, and health care needs were met.