the ways in which vs the ways that / which

[ademoglu]

Hi,

http://en.wikipedia.org/wiki/Marxist_feminism#cite_note-Ferguson-1

- Marxist feminism is a branch of feminism focused on investigating and explaining the ways in which women are oppressed through systems of capitalism and private property.

I would like to ask if we can use 'that or which or where or which . . . in' instead of 'in which' in that sentence:

- Marxist feminism is a branch of feminism focused on investigating and explaining the ways that women are oppressed through systems of capitalism and private property.

- Marxist feminism is a branch of feminism focused on investigating and explaining the ways which women are oppressed through systems of capitalism and private property.

- Marxist feminism is a branch of feminism focused on investigating and explaining the ways where women are oppressed through systems of capitalism and private property.

- Marxist feminism is a branch of feminism focused on investigating and explaining the ways which women are oppressed through systems of capitalism and private property in.

Thanks.

 

[Rover_KE]

No. None of those are grammatical.

 

[ademoglu]

Thanks for the answer but I cannot understand why 'where' is not grammatical. I thought I could because 'in which' is equal to 'where.'