make a timeline of the notable achievements and setbacks of the labor movement between 1876 and 1911

The correct statement is that there were notable achievements that were made by labor movements undertaken during the era of 1876-1911 in the favor of labors.

The labor movements and setbacks like The Great Strike, The Haymarket affair, the steel strike and the triangle fire were undertaken during this period.

Labor movements

The first major labor movement was undertaken in the form of Great Strike in the year 1877 against the issue of railroads in the state of Ohio and Baltimore.

Great Strike was followed by the Haymarket Affair in the year 1886 during the development of Industrial revolution when the labors made union which made mala fide public opinions.

The Steel Strike was another labor movement which was carried and caused due to the creative set of differences of opinions between the workers of the steel factory and the factory owners.

Triangle fire was the last incident of this period which happened in the year 1911 after a total of 146 employees were burnt due to the fire spread in the factory of cloth company.

Hence, the labor movements that happened during the late Nineteenth Century and the early Twentieth Century are as aforementioned in the paraphrase above in the chronological order.

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