Answer:
The United States of America is a North American nation that is the world's most dominant economic and military power. Likewise, its cultural imprint spans the world, led in large part by its popular culture expressed in music, movies and television.
Ask your teacher trust me she will give you the explanation you are looking for;)
The phrase that reasonably represents the purpose of Nazario’s editorial is "to persuade readers the United States should change its refugee policy for Central America"The Nazario editorial is regarding an article written by Sonia Nazario where she voices her apprehension about the immigration policy of America towards Central America and why those policies should be reviewed and modified.
A conjunction is a word used to connect clauses or sentences or to coordinate words in the same clause. And + But are examples. :)