boulder andbout other stops on the cities tour at c-span..org /localcontent. you are watching american history tv, all weekend, every weekend on c-span 3. >> each week american artifacts takes you to museums and historic basis. in honor of the 100th anniversary of the panama canal opening, curators presented items from their collection for a special exhibit. work on the canal began in 19 know for. -- in 1904. workers came to panama to build it. the canal was not only an engineering feat but a subject of fascination for americans. who follow the progress of this construction with keen interest. she music was produced about the canal, newspapers published regular updates. and photographers took hundreds of pictures of the construction and the people who lived and worked in the canal zone. name is juan manual perez, a reference specialist in the hispanic division. exhibit tries to be a window i to the past and to give the tople who see it a way understand the magnitude of the enterprise. 1914 forrom 1904 to the canal to be finished. there were perhaps over 45,000

to learn more about green bay and other cities on the tour, go localcontent..org/ you're watching american history tv, all weekend, every weekend, on c-span3. of the south, resignation of wartime powers, and transition to peace gave rise to tensions between republican and democratic members of both houses. gregory downs explains how they navigated those challenges, which continued to play out for many years. this is a portion of the 2014 civil war this is about 45 minutes. >> our next speaker is gregory downs who is an associate professor of history at the city college and graduate center of the city university of new york and his first book was "declarations of dependens, the long reconstruction of popular politics in the south, 1861-1908." his next book will be on the ends of the war, fighting the civil war after