the fifteenth amendment opened up voting rights for some people, but not for\nwhite women.\nwhite men…

Answer:

A. White women.

Brief Explanations:

The Fifteenth Amendment, ratified in 1870, prohibited the federal and state governments from denying a citizen the right to vote based on that citizen's "race, color, or previous condition of servitude." It mainly aimed at giving African - American men the right to vote. However, it did not grant voting rights to white women or any other women. White men experiencing poverty, African - American men, and former Confederates (with some restrictions removed over time) were not the groups excluded by the Fifteenth Amendment in terms of voting rights as it pertained to the groups listed in the amendment's language.