"<span>China and Manchuria" would be the best option from the list but it should be noted that they never controlled all of China. Manchuria was a "puppet" state carved out of China. </span>
From the fact that records were written we know that members of those societies could both read and write, we also know that they deemed it important to leave a record for future generations.
From the contents of those records, we know of events that occurred in that society however we must take care with any records that are based largely on opinion since they are likely to be biased.
<span>B. It influenced nearly every aspect of daily life - People looked to the church for every aspect of their daily life, because during the era, the church had more power than the state. </span>In fact the King and the Church were almost synonymous in the Medieval era.