C I am pretty sure but it might be wrong
Answer:
Practicality
Explanation:
In order to persuade people in your ideas you need to propose your idea and show that it is applicable in the real world. An idea can seem good on paper but it needs to work in the real world so that the problem at hand is fixed by the idea.
He is saying that the policies he is proposing which are similar to the ones enacted in the in most of the countries of Western European countries are already working. Seth is trying to say that if a similar policy is applicable elsewhere then why not that his policy be enacted in his country.
Stanton drafted a "Declaration of Rights and Sentiments," which shemodeled after the Declaration of Independence. In the document, she called for moral, economic, and political equality for women. In 1848, she presented the document at the Seneca Falls Convention in New York