The statement that cannot be included in an objective summary is "The United States should annex Hawaii..."
An objective summary is one that only includes the ideas from the text that is being summarized rather than the opinion of the person writing the summary.
The sentence "The United States should annex Hawaii..." is not objective because this shows a personal perspective or opinion about a situation. Therefore, this sentence is inappropriate for an objective summary.
Learn more about personal perspective in: https://brainly.com/question/1398114