Help me plzz i need help with this I don't know what is is

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

What element does susan b. anthony include in this passage to strengthen her argument?

Iwanna go do something with my ideas? ?