Almost all areas of medicine have benefited from scientific and technological developments, but perhaps the greatest fields in the sense of improvement has been surgery.
Depending on the exact time, most native american populations declined due to wars with the British and Americans. Diseases and epidemics would also take many lives at that time. Hope this helps.
Following qualities—-
1)military strategy modification to the great extent.
2)a nice diplomat, was very calculative.
3)Good political analyst & visionary.
4)warfare expert,understood warfare & foreign policy dynamics
. 5)weapon manufacturing spurt given .
6)social & military inclusion of useful people after conqueroring a particular region.
7)great management of bureaucracy (civil,miliitary,eco & trade).
8)spurt to mongolian arts & culture.
9)horse & other animal breeding spurt.
10)prepared great maps.
