Climax for WIP

So you build your story and it's all supposed to come to a climax. That's the normal way a story ends, and of course with a wrap up after that called a denouement. And in my WIP, the climax will be an all out war between two completely different peoples. I mean, how much different can you get? You have the white people, the English, who have colonized that part of Africa, and then you have the black people, the Zulus, who are native to the area.

To say the least, it makes for a great climax. And I'm just now beginning it.