Read the summary. european nations were not the only ones exploring the open seas during the age of discovery (1). chinese explorer admiral zheng he navigated the indian ocean a total of seven times (2). between 1405 and 1433, admiral he helped strengthen trade routes and cultivated chinese influence in southern asia (3). despite the voyages of admiral he, the chinese and muslim cultures would remain isolated from each other for the next century (4). which critiques the factual accuracy of the summary?