A Transcontinental Railroad Was Not Built Before the Civil War

question 21

Multiple Choice

A transcontinental railroad was not built before the Civil War because:

• A) the Appalachian Mountains presented great engineering problems
• B) Congress refused to consider federal subsidies for a private railroad
• C) the technologies for building long tunnels through the Rockies did not exist
• D) many southern states used the states' rights argument to reject federal aid for railroads
• E) North-South sectional differences prevented Congress from selecting a route

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Definitions:

Virtual Reality

An immersive digital environment that can simulate physical presence in places in the real world or imagined worlds.

Token Economies

A behavior modification system using tokens as a form of currency that can be exchanged for desired goods or privileges, often used in therapeutic settings.

EMDR

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Exposure Therapy

A psychological treatment that helps individuals confront their fears by gradual and repeated exposure to the feared object or context.