Why is mrs bennet upset when charlotte comes to visit the house

Mrs. bennet upset when charlotte comes to visit the house because her daughter was not getting married to Mr. Collins.

Explanation:

"Pride and Prejudice" by "Jane Austen" is story about Mr and Mrs. Bennet and their five unmarried daughters. Mrs. bennet wanted her husband to introduce himself to Mr. Bingley as she wanted one of her daughters to get married. In the course of events, Mr. Collins agrees to marry Charlotte Lucas and this makes Mrs. Bennet upset. She blames her daughter Elizabeth for this situation as she wanted her to marry him.

Mrs. Bennet is upset as Charlotte would be the future mistress of Longbourn.