The direct object would have to be the muscle's ability because it answers the question "what".
e.g: Exercise can increase what? The muscle's ability.
The village has in total of 14 people because those daughters will be Wives and those Brothers will be Men in the future
School uniforms should be implemented at all schools because they can increase test scores, minimize violence, and allow students to focus on education.
-It allows for a brief introduction to the rest of the essay.
Watch the movie! its really good and almost exactly like the book watch the old one with the young girl with brown hair not the red headed one