It was the Mexican-American war <span>that brought about the need or desire to begin an expansionist policy with regard to foreign affairs, since the end of this war ceded a lot of new territory that was used by settlers moving west.</span>
Babur,Akbar,Shah Jahan,Jahangir,Shah
Depends on your world view
The need was for people who could be theologians and could copy and read holy scriptures, while there was also a need for people to be trained to be educated knights and nobility.
