Many were staying at home and taking care of their husbands, the children, and the house.
A good topic sentence is very clear, focused on the topic, directly relates the thesis, summarizes the main points of that paragraph, and strongly supports a claim.
The best structured sentence that best uses the comma is the second sentence being: The female statue, crowned with a wreath of olive leaves, represents commerce. The sentence talks about a statue that is crowned with leaves and symbolizes business. The second sentence perfectly captures that.