Answer:
When war began in the American colonies, he became a captain for the Connecticut regiment. He later became a spy to spy on the enemies in order to gather information on the British army's location.
Before his war works, he was also a teacher which meant that he was hardworking.
He was also commissioned a captain in General George Washington's army in Jan 1776.
Explanation:
Hope this helps :) I'm not sure if this is entirely correct but I promise I tried my best !
Roosevelt's personality and political philosophy fitted the imperatives far more than they did the fashions of the times, so that the degree to which his behavior in the White House both hastened and shaped the dramatic growth of presidential power over the next seventy-five years must be seriously considered. Temperamentally, Roosevelt craved attention. Once in the White House, especially in view of the changed national and international circumstances, he could not fail to focus national attention on the presidency.