"united States" is the country among the following choices given in the question that ranked seventh among the top 10 emitters. the correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that you were looking for and it has helped you.
He should test his hypothesis through a lot of research so he can have information to back it up
Hope this helps
<em>The south gained by the strengthening of the fugitive slave law, the north gained a new free state, California. Texas lost territory but was compensated with 10 million dollars to pay for its debt. Slave trade was prohibited in Washington DC, but slavery was not.</em>
