Indirect speech isn't quoting the character's exact words but instead reporting what they/she/he said- It is also sometimes called reported speech
reported speech
[reported speech]
a speaker's words reported in subordinate clauses governed by a reporting verb, with the required changes of person and tense (e.g. he said that he would go, based on I will go).Also called indirect speech. Contrasted with direct speech.
The most likely purpose Congresswoman Chisholm included this statement in her speech is to explain how she felt about being discriminated against not only because of her race but also because of her gender.