Which document, A or B, does this account more closely match? How?

A because this account closely matches the first one because they have the same usernames. Also, they are closely related through each other by the name and the numbers added at the end.

Explanation:

The username is similar to the other username expect for the use of different numbers.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration