A historical source is valid when it:
A. was written by a person who observed an event.
<h3>What is a historical document?</h3>
This is the term that is used to describe a particular document that tells us of the trail of events that have occurred in the past. That is the events that have the timeline of having happened over a long period of time.
They are most valid when the event is being talked about by a person that has first hand knowledge of what happened instead of telling stories of what they heard.
Read more on historical documents here: brainly.com/question/228934
#SPJ1
Um ?......................
<span>It was Suleyman who built the mosque in Istanbul</span>
B. faced mounting pressure and criticism
<u>Answer:</u>
<em>The traveling companions of Marco polos were Niccolo and mafia </em>
<em></em>
<u>Explanation:</u>
Niccolo and Maffeo's Journeys brought them into present-day China, where they joined a strategic crucial court of Kublai Khan, the Mongol chief whose granddad, Genghis Khan, had conquered Northeast Asia. In 1269, the two men came back to Venice and promptly began making arrangements for their arrival to Khan's court. During their stay with the pioneer, Khan had communicated his enthusiasm for Christianity and requested that the Polo siblings visit again with 100 clerics and accumulation of sacred water.
