Which european nation was the focus of a u. s., nato, and united nations military mission designed to end the country's civil war and ethnic cleansing?

Bosnia-Herzegovina 1994. The small county broke off from Yugoslavia and started a Muslim Genocide by the Bosnian Serbians

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