This department is responsible for the overall foreign policy of the united states.
department of justice
department of defense
department of the interior
department of state

The process of rocks breaking down and becoming other rocks

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?

Which of these persons was a co-founder of twitter? eric schmidt jack dorsey tim cook paul alle