Explanation:
<u>For those in the industrial sector, organized labor unions fought for better wages, reasonable hours and safer working conditions. The labor movement led efforts to stop child labor, give health benefits and provide aid to workers who were injured or retired.</u>
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Heyo, I believe your answer would be B. increased over each decade.
The result is, Native Americans were eager to use the railroads for travel.
Answer,
Economic stability
Explanation
Economic stability refers to abscence of excessive flactuationsin the macroeconomy.
planting of crops led to food security without food human life cannot be sustained hence other products cannot be produced.surplus production of crpos led to development of civilization which led to a stable economy because farmers could earn income from their products A stable economy later leads to political stabilty .