Had they not imposed their beliefs on the Ibo, Okonkwo would not have been provoked to murder.

Answer 1

What is the title and author of the story/book?

What is your question?

Answer 2

Okonkwo was a very stern and angry character anyway. Be sure to read the character analysis here:
http://www.sparknotes.com/lit/things/

Then let us know what you think.