Conduct research on your chosen leaders that aims to provide background informat

Conduct research on your chosen leaders that aims to provide background information and to and answer the following questions about them:
Why are these two considered to be leaders? How did they attain their leadership positions?
What leadership style(s) did they use and how effective was that?
Leader: gamal bin nasser
please, be sure to incorporate some business management theories about leadership; as well as leader ship styles.