Conversation so far:
What did important role did Wellesley have early in Arthur Wellesley, 1st Duke of Wellington's career?
) to consider Arthur for a commission in the Army.
Soon afterward, on 7 March 1787, he was gazetted ensign in the 73rd Regiment of Foot.

Question: How did his role in the Army help shape his career later in life?
Self-contained rewrite: How did Arthur Wellesley's role in the Army help shape his career later in life?