And with your starting draft, you need to list and describe all the ideas you have in your outline, just use everything you can remember from the topic you are working with.
You should come with few thesis statements at once, choose the best one you can state.
Just after the pick part is done you can start with the real comparison and composition.
Here is how a typical outline should look for subject by subject comparison: For the outline, try to feel free with your writing.
Just get those marks you want to include into your paper with no doubt.