Do you think it was america’s duty to expand? 1-2 sentences

Plz 50 points answer only if you know and don't copy answer describe how the geography of the korean peninsula affected where people settled and how they lived.

What governments allow the use of the initiative, the referendum, and the recall? a. all state governments and the federal government b. some state governments and the federal government c. some state governments d. all state governments

In a few sentences, explain how the medici family contributed to the renaissance.