There is a big difference between a developing country and underdeveloped one.
A developing country suffers from poor infrastructure and low literacy rates. However, the population falls into a low to medium income group.
However, an underdeveloped country has an unsustainable economy. The country survives on loans and bailouts from international groups and there is no industrial base to support jobs.
Technically this is true, since most of these men would spend the large majority of their time focussed on a specific subject, but there were of course exceptions.
Van Buren, the incumbent Vice President and chosen successor of President Andrew Jackson, took office as the eighth United States president after defeating multiple Whig Party candidates in the 1836 presidential election
