Agood introduction paragraph will state all three of the main supporting details to an argument.

Yes, but it does not GIVE SPECIFIC EXAMPLES, just broad sweeping statements like if I am arguing for a desk to be elected best desk ever I would mention its beauty, effectiveness and popularity, then I would go into examples of these like the desk is yellow which gives it a popping view(these would be in the first paragraph, second paragraph and third paragraph)

The answer is society was a caste like system with poor whites at the bottom of the white social ladder.

It's considered to be association or connection