What role do executive departaments and agencies play in the policy making process?

There’s no picture, but i’ll give you a few of expeditions. lewis and clark began in 1804, louisiana purchase 1802, james town 1607

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The founder of the byzantine  empire  and its first  emperor,  constantine  the great,  movedthe  capital of the roman empire  to the city of byzantium in 330 ce, and renamed it  constantinople.  constantine  the great also legalized christianity, which had previously been persecuted in the  roman empire.