I think you maybe looking for Life Liberty and the Persuit of Happiness ((it originally was you could own land, but slaves weren't allowed to do so)) that what i learned in my highschool history class were the basic principles ((sorry if im wrong))
To shortly answer your question, an ethic community is a community of people who relate to each other in terms of culture, traditions, and overall ethnicities. An example of an ethnic community (I am speaking on myself) would be Juneteenth. In no way do I mean offense, it is just a mere example. If you need better understanding, let me know and I will gladly assist you.
Answer:
It's better because different social medias are used for different things. (ex: ig/fb are more for connecting with people you know in real life, but yootube is for sharing videos with people all around the world)
Explanation:
Pros: more equality, everyone can pay for things
Cons: Less mega rich people, don't need special skills, people may de lazy
