Answer is: s<span>ummary.
Summary is </span>a brief account giving the main points of something. In business, summary should include noteworthy less content then the original work. Summary filter the important information from the unimportant and so save time to business partners to understand project.
The period of disunion occurred after the collapse of the Han Dynasty, China was split into several rival kingdoms.
That would be <span>Galileo Galilei the Italian polymath who is essential to the scientific revolution. His ideas conflicted with the church and as such he was on trial for heresy. During the second judgment he recanted his claims but is believed to have uttered the famous phrase on Earth revolving around the Sun: And yet it moves. This is used now to say that it doesn't matter what some may believe facts are the facts. </span>