The statement is true. Gauchos would typically be found in the grassland area of South America.
Explanation:
Gaucho is the name given to the characteristic inhabitant of the plains and adjacent areas of Argentina, Uruguay, southern Brazil and Paraguay in the 19th century.
It was identified by its ability as a skilled rider and by its link with the proliferation of cattle in the region, in addition, by the economic and cultural activities derived from it, especially the consumption of meat and the use of leather.
The Transcontinental Railroad was also instrumental in putting thousands of people to work, and also they were instrumental in transporting cattle and resources in much more efficient ways.