I'm not sure but it looks like the answer is C
A reason why the Civil War lasted four years is that the Union had to fully conquer the South.
If you looked at google, it would day Francisco was a Spanish conquistador and explorer who led a large expedition from mexico to present day kanas through parts of the southwestern united states between 1540 and 1542
This is probably true, as music was present in all cultures, and it is argued that music might have been part of the culture of the human population before it split and populated all the continents.
