Which civil right rights tactic was most directly responsible for African Americans gaining equal access to the ballot box especially in southern states during the 20th century

Grave of civil rights activist Medgar Evers in Arlington National Cemetery. ... the civil rights of black Americans, their right to vote was systematically taken away by ... “the equal protection of the laws” to U.S. citizens, which included the former slaves. ... This was the pattern in most of the Southern states during Reconstruction.

Explanation:

the main reason the us senate rejected the treaty of versailles was because "european nations wanted to punish germany"

d(:

me and mark as brainliest.

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.