In the post-reconstruction era most african-americans in the south had little opportunity for economic advancement, and worked mainly as
a) landowners.
b) share-croppers.
c) construction hands.
d) industrial laborers.

Option B.  share-croppers is the answer

Explanation:

Social tensions and schism was seen in between people based on their color, race and ethnicities.  African Americans were taken as share croppers or the tenant farmers.

Jim Crow laws came into existence which prohibited racial discrimination in the public place. Plessey and Ferguson case lead to the amendment of constitution which stated ‘separate but equal doctrine’ which itself inwardly violates the law of equality.

The right to poll or contest in election was not granted and this made the African Americans to migrate to north. Many protests were demonstrated to express their apprehension over ethnic discrimination.

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