Education
gender
culture
religion
politics
They all change society today. :)
If this is for a class, this might not be the answer you’re looking for.
America has always been against immigration. Even as it was being built on the backs of immigrants from Europe, the colonists who were already here despised them. Xenophobia has been a part of American culture since it was founded. This long history with anti-immigration and nationalism coupled with white supremacy makes many Americans wary toward immigrants today.
C. Discovering vaccination and microbial fermentation
A microbiologist who discovered microorganisms cause fermentation. Eg. leading to food spoilage
I’m pretty sure the answer is 1801? but good luck
Why are the Europeans shouting at Uncle Sam?