Questions

At first, the intensity of the pain stimuli is sent through the nerve fibres to the brain parts that are limked with the pain perception such as anterior cingulate cortex.

The South American countries that lie within the Tropic of Capricorn are Argentina, Brazil, Chile and Paraguay. Brazil is the only country in the world that crosses both the Equator and either tropic.

In 1887 Congress passed the Interstate Commerce Act, making the railroads the first industry subject to Federal regulation. Congress passed the law largely in response to public demand that railroad operations be regulated.

Railroads discriminated in the prices they charged to passengers and shippers in different localities by providing rebates to large shippers or buyers. These practices were especially harmful to American farmers, who lacked the shipment volume necessary to obtain more favorable rates.