Undergraduate / Essay topic -Colonization,Conquest, Commerce,Civilization,Christianity [4]

Thats very helpful^^ Thank you so much

I was thinking of the structure and the information that I will put in each 3 of these factors,
however I still don't know what should I put for
1) Conquest
How conquesr have led to the emergence of English as the global language?

2) Colonization

3) Commerce
-education?
- Technology?
- Business?

Thank you ^^