How did the american colonies gain the support of spain during the american revolution?

a. the colonies promised to allow spain to gain territorial control of cuba and the bahamas.
b. spain was hoping to regain gibraltar from the british, and after the battle of saratoga, had faith in the success of the colonies.
c. benjamin franklin traveled to spain and was able to persuade the royal court to put an embargo on british goods.
d. after the british navy fired on a spanish trading fleet, spain had no other choice but to join on the side of the colonies.

D. After the British Navy fired on a Spanish trading fleet, Spain had no other choice but to join on the side of the colonies.

Explanation:

I just took the test! :)

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.