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.
The most famous caucus is Iowaâs, which is the first major electoral event of the nominating process. Other early states which use a caucus system are Nevada, Maine, Colorado, and Minnesota. primary: The majority of states hold a primary instead of a caucus.