FTP, name these islands which constitute a Caribbean colony of the United Kingdom.
One of them is shaped as two rectangles joined by a small spit, and another was the birthplace of one of a designer of the U.S. Capitol, William Thornton. Minor parts have names such as Norman, Peter, and Cooper, while the four principal components of this territory are Gorda, Jost Van Dyke, Anegada and the population center of Tortola. The largest settlement in this riverless territory is Road Town, and the group comprises the eastern extremity of the Greater Antilles. Found to the northeast of a similarly-named American territory, they received internal autonomy in 1977. FTP, name these islands which constitute a Caribbean colony of the United Kingdom.
One of them is shaped as two rectangles joined by a small spit, and another was the birthplace of one of a designer of the U.S. Capitol, William Thornton.
British Virgin Islands [prompt on partial answer]