Which statement best describes the economic concept of scarcity?

How many people in the world’s economy work in “system d”?

Plz i need i really don’t want to fail i’m only 14. can somebody write a rough draft for me. about how tighter british control led to a revolution in colonial america has to be at least 4 paragraphs plz me passing depends on this plz

How did the end of the mexican american war result in growing sectionalism in the united states?