How are humans connected through the physical environment?

Which beliefs and principles in the declaration of independence and the u. s. constitution create a national identity? a.) belief in god, allegiance to popular sovereignty, and states’ rights. b.) free enterprise system, free trade system, and separation of powers. c.) individual freedom, political equality, and unalienable rights. d.) powerful executive branch, judicial review, and bicameral legislature.

The social contact theory states that

What if the united states, mexico, and canada took the eu’s example and joined to forms north american union ? based on your knowledge of the europe union, describe two setbacks or hurdles that this idea might face