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.
Of the many Congressional caucuses, one of the best-known is the Congressional Black Caucus, a group of African-American members of Congress. Another prominent example is the Congressional Hispanic Caucus, whose members voice and advance issues affecting Hispanics in the United States, including Puerto Rico.iscussion of party rules is not necessarily part of the caucus experience, and few rules govern the actual process. And, in the winner-take-all scenario, a group's delegate allocation may be reported as unanimous, with the minority votes ignored.