Is there a picture that can help us help you?
Answer:
A . . . (see below)
Explanation:
This depends on the sentence, in most cases, simply a period.
From the excerpt and the historical context, one can understand that the league of women is constituted by wome from all sorts of different backgrounds, some are "ladies", meaning married women, like Mary Dreier, while others are working class women, like Leonora O'Reilly. This means that <em>the support of weathy league women contributed to the succesful outcome of the female workers' strike. </em>The first option is the right answer.
<span>Infinitive is the basic form of a verb, without an inflection binding it to a particular subject or tense, therefore the answer among all the choices presented is A. To listen.</span>