Webster's definition of the word "valid" is having legal efficacy or force; especially : executed with the proper legal authority and formalities. So, according to this definition of the word, yes her reasons are valid.
Mrs. Bennet
Based on the information in the reading assignment, Lady Catherine de Bourgh would most likely agree with the reason Charlotte Lucas married Mr. Collins. Lady Catherine values social status and financial security above personal happiness, which is similar to Charlotte's practical approach to marriage.
As he stood to inherit the estate, he thought that by marrying one of the girls he might "soften the blow" of the rest of the family loosing the estate after Mr. Bennet's death.
Prejudice means juding something or someone for no reason
Conformity in the form of marrying for convenience instead of love. Eg 1: Mr Collins proposal to Elizabeth. Elizabeth is expected to accept Mr Collins' offer of marriage so she can save the rest of her sisters from destitution when their father dies. Elizabeth refuses to conform to the social norm of that era by rejecting Mr Collins' offer. Instead she decides to wait for true love (Mr Darcy). Eg 2: Elizabeth's friend Charlotte Lucas accepts Mr Collins' offer of marriage as she is getting old and needs to find a husband because she has no money of her own. She conforms by marrying for convenience instead of love because she felt she had no choice.
But he did marry Constanze.
The correct spelling is "prejudice." It refers to preconceived opinions that are not based on reason or actual experience.
she has to weave a robe for Odysseus
its because you are white.
Charlotte does not particularly enjoy Mr. Collins' company. She encourages Mr. Collins to take long walks so that they will spend much of the day apart. She also encourages his work in the gardens, visits to the deBourghs', and keeps her sitting room in the back of the house (away from the road) for the same reason.
woopdidoo
she has to weave a robe for Odysseus