The 15th amendment allowed Black men to vote. It was ratified on February 3, 1870.
It upset the balance of free and slave states in the US.
Thomas Paine - The pamphlet of Common Sense.
Answer:
The Black Legend was concocted with one aim in view: to discredit Spain, the leading European power in the 16th century. Other powers of the time were conspiring to usurp its place, and eventually they succeeded. Thus it was the bourgeoisie of the other colonial powers which invented the Black Legend.
Explanation:
Black Legend, Spanish Leyenda Negra, term indicating an unfavourable image of Spain and Spaniards, accusing them of cruelty and intolerance, formerly prevalent in the works of many non-Spanish, and especially Protestant, historians. ...