Which of the following is known as a special interest group? republican party house ways and means committee national rifle association the ohio state board of elections

The NRA would be an interest group, as they have special interests with the 2nd amendment, and fund candidate and campaign in advocacy of that. 

Jackson  said nullification 'means insurrection and war,' and called it a treasonous attack on america. the second aspect of the  force bill  was the passing in congress of a lower tariff in 1833. this was offered as a compromise to avoid conflict with south carolina, and to attempt to defuse the tense situation.source google