Why did the European empires in the Americas have such an enormously greater impact on the conquered people than did the Chinese, Mughal and Ottoman empires in Asia on the conquered people?

Why did the European empires in the Americas have such an enormously greater impact on the conquered people than did the Chinese, Mughal and Ottoman empires in Asia on the conquered people?

Use specific examples from the reading to support your points, so that you are persuasive in making your case.