Slidell's mission was a failure because: O Herrera wouldn't take money for California.
O Herrera told him to leave the country.
O Herrera refused to speak to him.
O Herrera asked for too much money.

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another? focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery? question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.