The reason is because Document Ais the primary source written to the king.
<u>Explanation:</u>
Document A is said to be reliable source which helped to understand what had actually happened when Moctezuma had met Cortes. This was considered to be a reliable source because this was the primary source which was written to the king Charles V.
Because it was a primary source, it was obviously a reliable source. This document was a letter written to the king which described the meeting of the two.
"<span>A statement of basic human rights; list of grievances against the king; official separation from England" is the best option since there was no formal war declaration.</span>
I think he meant that to be successful is to try without which implies that every time you wake up you do not think or wish about being successful it just happens without any second thought.
