How did the railroads boost Washington’s economy?

railroads save consumers billions of dollars while reducing energy consumption and pollution, lowering greenhouse gas emissions, cutting highway gridlock and reducing the high costs to taxpayers of highway construction and maintenance. Freight railroads mean more jobs and a stronger economy.

Explanation:

the social historical theory explains the creation of the varnas, jats and of the untouchables. according to this theory, the caste system began with the arrival of the aryans in india. the aryans arrived in india around 1500 bc. the fair skinned aryans arrived in india from south europe and north asia.

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