You need to list the text in order to get the help.
I assume your choices are either social, informal, or business? I think it's social... it's definitely not business, and it doesn't sound informal.
The states benefited each other with defense, goods and trading
Answer:
The bolded section is a clause
Explanation:
"I could eat a peanut butter sandwich for every meal." is a clause because it includes a subject and a verb, the subject being "I" and the verb being "eat". This is a clause and not a phrase because a clause is a group of words including a subject and a verb and a phrase is a group of words without a subject and verb. Hope this answered your question