Read this excerpt from Marian Anderson’s “Gifts of Speech.”

Thousands of women are at work in arsenals on all kinds of ammunition, bullets, shells, and bombs. Thousands of women are making war instruments and electrical equipment. Thousands are helping to produce tanks, . . .

What is Anderson’s most likely reason for repeating the phrase “thousands of women” in this excerpt?

to emphasize that she is talking about women in her speech
to persuade women listeners to join the work force
to offer statistics on how many women are building bombs
to convince listeners that women are very capable workers

to convince listeners that women are very capable workers