Answer:
The massive growth is in transportation, manufacturing, industry were the major factors that lead to the development during the Gilded Age which also resulted into increase in wages
Explanation:
The Gilded Age or Era of 1860 was the period in which the America economy experienced  massive growth. This growth was mostly visible in the north and west regions of the country. THis age saw an extraordinary increase in the wages of American's which in return resulted in an influx of Europeans into American soil to partake in the juicy wages being paid to skilled workers.
Moreover, during this period, there was massive industrialization of industries thereby creating more jobs and wages jump to 60%.
Also, we must not fail to state that other factors lead to economic growth or development in the Gilded Age. Some of which include;
Transportation: majorly there was an increase in rail tracks being laid as a result of the event of the civil war
The land was available for farming and setting up of industries.
Funds were made available by the government through grants
 
        
             
        
        
        
James buchanan, Jr. April 23, 1791- June, 1868 was the 15th president of the united states ( 1857-61) serving immediately prior to the American Civil war. he represented Pennsylvania in the United States house of Representatives and later the Senate, then serve as minister to Russia under president Andrew jackson
        
             
        
        
        
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be from what is present-day Mexico, since this was highly fertile land. </span></span>