Europeans learned about the astrolabe through contact with
Native Americans
G. Arab traders
H. West Africans
1. traders from India

What’s the question here?

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