How does this quotation add credibility to Freedman's statement that the immigrants never forgot seeing the Statue of Liberty for the first time? It adds credibility because it comes from a worker on the ship who sailed past the Statue of Liberty. It adds credibility because it comes from an immigrant who actually shares his memories of seeing the Statue of Liberty. It adds credibility because it comes from a historian who studied immigrants and the Statue of Liberty. Dit adds credibility because it comes from a journalist who researched the Statue of Liberty.