How would you describe Christopher Columbus Journal (in like 3-4 sentences) and explain why it is considered a primary source?

The journal covers events from 3 August 1492, when Columbus departed from Palos de la Frontera, to 15 March 1493 and includes a prologue addressing the sovereigns. Several contemporary references confirm Columbus kept a journal of his voyage as a daily record of events and as evidence for the Catholic Monarchs. Columbus's letter was written for an audience of European officials and merchants so he could hopefully get sponsored for more voyages and exploration. Columbus emphasizes the masses of new souls available and inclined for conversion to Catholic Christianity.

(P.S. im not sure if this is what you wanted but here you go. ) :)

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