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.
Formally, caucuses are formed as congressional member organizations (CMOs) through the United States House of Representatives and governed under the rules of that chamber. In addition to the term caucus, they are sometimes called coalitions, study groups, task forces, or working groups.s of 2014, there were only two black senators, only one of whom joined as a member (elected in 2013, Senator Cory Booker (DâN.J.) is a member whereas Senator Tim Scott (RâS.C.), appointed in 2013 to fill the senate seat of Jim DeMint, is not).