He was a golorius warrior. He had proved himself in the might of battle. He then became the most famous dictator in the history of the world.
No clue what to say to this, i've seen it posted on this website here before tho
Making them slaves to work on their plantations which eventually killed a lot of them.
A large reason for why European countries colonized places in Africa and Asia was for resources. Land also equated to power. Colonization often lead to a boost in economies.
Ex. As the Industrial Revolution came, machines needed more materials, like rubber. So instead of paying or trading for this commodity, countries often resorted to colonization.