What did Black politicians accomplish during Reconstruction?

African Americans (including thousands of formerly enslaved people) in the political, economic and social life of the South. The era was to a great extent defined by their quest for autonomy and equal rights under the law, both as individuals and for the Black community as a whole. During Reconstruction, some 2,000 African Americans held public office, from the local level all the way up to the U.S. Senate, though they never achieved representation in government proportionate to their numbers.

Explanation:

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productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.