In seventeenth- and eighteenth-century europe, guild masters
a) permitted easy access to guilds in order to maintain a strong labor force.
b) allowed both men and women entry into all guilds.
c) guarded their guild privileges jealously.
d) denied themselves the right to train their sons or wives in their crafts.

c) guarded their guild privileges jealously.

Explanation:

Guilds were an association of merchants who used to oversee the practice in their respective area. It was usually occupied by men, who were very guarded about their previleges.

So the correct answer is:

c) guarded their guild privileges jealously.

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