Answer:Catholic Monarchs, also called Catholic Kings, or Catholic Majesties, Spanish Reyes Católicos, Ferdinand II of Aragon and Isabella I of Castile, whose marriage (1469) led to the unification of Spain, of which they were the first monarchs. Although employed earlier, the appellation Católicos was formally conferred on them in a bull published by Pope Alexander VI in 1494, in recognition of their reconquest of Granada from the Moors (1481–92), their New World discoveries (1492), and their strengthening of the church by such agencies as the Spanish Inquisition and such measures as compelling Jews to convert to Christianity or face exile (1492). The title of Católicos was afterward transmitted to the successors of Ferdinand and Isabella.
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The surrender concluded a standoff that began with South Carolina’s secession from the Union on December 20, 1860
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Southern slaveowners or those who aspired to own slaves were vocal proponents of westward expansion. These Southerners wanted to move west to settle the west's fertile soil and grow cotton. In the west, there was a chance for Southerners to get a larger plantation than in the east. There was less competition.
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