cable television companies and is brought to you today by your cable or satellite provider. announcer: each week, american history tvs railamerica brings you archival films that provide context for today's public affairs issues. trade centuries, foreign has been the subject of arguments, articles, books, speech is. >> foreign trade is the key to prosperity. free trade will bring on the great depression. >> a high tariff policy will lead to war. >> we must protect our standards of living from the competition of cheap foreign labor. >> sometimes in this great rich country of ours, it must seem we can build anything, grow anything, that we have everything. we feel powerful, prosperous. we feel we can trade with the

whole world or not as we wish, but his trade -- two-way trade -- important to our nation and the entire world? >> he seems interested. excuse me, what is all that foreign stuff doing here? those united nations people moving in? >> you don't approve of the united nations? >> too many foreigners. we got no business getting mixed up with them. >> remove that coffee. it is from brazil and the gentleman does not approve. best cigar was made in havana -- that cigar was made in havana. a silk necktie? away with it. are you aware the works and that handsome watch came from switzerland? your suit, i understand your embarrassment, but also with it -- but off with it. [laughter]

>> you certainly did a job on him. he had it coming to him. it is something that bothers me. i know other folks need our stuff and i suppose we need some affairs. what i don't understand is what i'm going to do when the fellow across the border sends his stuff cheaper than i can. seems to me i ought to be protected somehow. >> if i cannot sell my products in your country, how can i get dollars to buy machinery? pedro don't get his tractor, maybe i lose my job because this guy wants protection. i sure don't want anyone to suffer, but how can i compete with someone who gets only half the wages i get? >> there is something fishy about this low-wage argument.

our wages in the north are way over what you get. where would you be if we started yelling for protective tariffs against your part of the country? >> they have got something there. people do get misled by the cheap labor argument. i will show you why. ♪ announcer: you are watching

american history tv all weekend every weekend on c-span3. to join the conversation, like us on facebook at c-span history. your documentary has been selected as this year's grand prize winner. >> what? oh my god. announcer: seventh and ninth grade sisters of blacksburg virginia, this year's grand prize winners of our student video documentary competition. their winning documentary explores the refugees and immigration policy. >> a refugee is someone who has been forced to flee their country because of persecution, war, or violence, and cannot return safely. with so many people fleeing their countries without a home, politicians today arguing over one urgent question -- should the united states let more refugees into the country? announcer: they win the $5,000

prize. this year, we asked middle school and high school students to produce documentaries telling us what is the news -- what is the most urgent issue for the new president and congress. students competed for the chance to win one in 150 prizes totaling $100,000 in prize money. we received almost 3000 entries from 46 states and the district of columbia, england, germany, singapore, and taiwan. we are happy to announce our first place winners. in the middle school category, the first prize winners are eighth-graders molly doherty, camden lewis, and ava deckard in scranton, pennsylvania for their documentary u.s. gun violence, copy to puzzle. the first place winner for the high school use category is an 11th grader from gonzales college high school in washington, d.c. for his documentary entitled invisible, which deals with homelessness.

he also won this year's fan favorite contest. he will receive an additional $500. in the high school central category, our winner is 12th grader jerrod clark in michigan for his peas enough is enough, dealing with pharmaceutical pricing. and our first prize winner for the high school west category is a ninth grader from laramie high school in wyoming for herpes fossil fuels to renewable, the chap -- for her piece fossil fuels to renewable, the challenges to transferring. thank you to everyone for competing in making this competition is success. the top 21 winning entries will air on c-span in april. you can watch all documentaries studentcam.org. recently, american history tv was at the american

historical association's annual meeting in denver, colorado. we spoke with professors, authors, and graduate students about their resource -- research. this interview is about 20 minutes. >> here to talk about civil war medicine and disabled veterans, sarah handley-cousins, phd candidate at the state university in buffalo. joining us also is ashley-bowen murphy, who just got her phd at brown university. our focus has been the panel you did at the aha on the pbs show "mercy street." ashley, how would you describe that showed to people who have not seen it and how realistic is it? ashley: it is a scripted drama that takes place at a union general hospital. it is pretty accurate. they worked with a lot of historians. they did a lot of