Ihad tremendous trouble to get it. everyone wants one; it's very select, and very few go to the clerks. why did monsieur loisel go to so much trouble to get an invitation to the party at the ministry? a. he wants to show everyone what a beautiful wife he has. b. he wants to make social connections to advance his career. c. he thought his wife could use a night out since she's stuck at home all day. d. he wants to his wife by taking her to this special social event.

Answer is B. He wants to make social connections to help advance his career.

Explanation:

Both Monsieur Loisel and Mathilde are part of the low-income social class and  wish to be accepted by the upper-class and, eventually, gather much more money. So he can make his wife change her mind and attend the ball with him, Mrs. Loisel buys her an expensive dress, and she borrows an imitation diamond necklace, the one she looses and latter becomes central to the story's plot.

they protect against unsafe foods and medicines being sold

explanation: