Architecture: 1850s-1890s. 1850s. James Buchanan, at the urging of his niece and White House hostess Harriet Lane, added a wooden greenhouse on the roof of the west terrace in 1857, adjacent to the State Dining Room. One could enter a private world of plants and flowers grown for decorating the house.
A caucus is a meeting of supporters or members of a specific political party or movement. The term originated in the United States, but has spread to Australia, Canada, New Zealand, South Africa, Brazil and Nepal.
Closed Caucus States. FairVote.org reported in 2008 that six states --- Alaska, Iowa, Kansas, Maine, Nevada and Wyoming --- operate closed caucuses instead of primary elections. A caucus is a meeting in which party members select nominees for elected office.airVote.org reported in 2008 that six states --- Alaska, Iowa, Kansas, Maine, Nevada and Wyoming --- operate closed caucuses instead of primary elections. A caucus is a meeting in which party members select nominees for elected office.