With a slender victory in the popular vote, but with a greater victory in the Electoral College (170–105), Polk proceeded to implement his campaign promises. He presided over a country whose population had doubled every twenty years since the American Revolution and which had reached demographic parity with Great Britain.Merry, pp. 132–133 During Polk's tenure, technological advancements persisted, including the continued expansion of railroads and increased use of the telegraph. These improvements in communication encouraged a zest for expansionism. However, sectional divisions became worse during his tenure.
with a slender victory in the popular vote but with a greater victory in the electoral college (170–105) polk proceeded to implement his campaign promises he presided over a country whose population had doubled every twenty years since the american revolution and which had reached demographic parity with great britainmerry pp 132–133 during polk's tenure technological advancements persisted including the continued expansion of railroads and increased use of the telegraph these improvements in communication encouraged a zest for expansionism however sectional divisions became worse during his tenure