Asalamualikum. 
My question is… What if a girl doesn’t want to get married early and being forces to do that? If it allowed to force her to get marry at 25 and not after few years, which she wants, as she wants to focus on her studies and career. .If it is then why is not a girl and feeling, her wishes and dignity being recognized. 
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Also my next question is.. 
What if a girl is being forces to get married to a person , while knowing that she loves someone else and it’s against her wish. And after the marriage she can’t get into the relationship. Is it allowed for her end that marriage as she can never be happy in that?