Who was emperor justinian's most trusted advisor

What refers to the division of power among the three branches of government

Which statement is true of both presidential and parliamentary systems of government?

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.