What led to the passage of the 15th amendment? and what are the advantages of adopting the 15th amendment?

15th Amendment: "The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude."

This should give you the idea I hope this helps :)

What led to the passage of the 15th amendment was the rising discrimination between different racial, sex, and social groups within the united states. It was ratified during the first or second reconstruction after the civil war, it granted blacks to vote along with women and foreign immigrants. another reason was due to the KKK, the Black codes, the Jim Crow laws, along with the rising "red scare" or the threat of communism in america at the time.

The advantages was to make these individuals feel safer and more free when exercise their basic human rights, but it also meant more votes in elections. Another advantage was to help stop discrimination.

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answer; /// i believe that the correct answer is(cognitive revolution);

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.