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An ordered pair of vertices, such as an edge in a directed graph. An arrow (x, y) has a tail x, a head y, and a direction from x to y; y is said to be the direct successor to x and x the direct predecessor to y. The arrow (y, x) is the inverted arrow of the arrow (x, y). articulation point A vertex in a connected graph whose removal would ...
In United States history, the Gilded Age is the period from about the late 1870s to the late 1890s, which occurred between the Reconstruction era and the Progressive Era. It was named by 1920s historians after Mark Twain 's 1873 novel The Gilded Age: A Tale of Today .
The United States formally ends its occupation of Cuba, May 20, 1902 The United States seizes opportunity to build a ship canal across the Isthmus of Panama , January 22, 1903 – August 15, 1914 The United States and the Republic of Colombia sign the Hay–Herrán Treaty , January 22, 1903
Also eon. age Age of Discovery Also called the Age of Exploration. The time period between approximately the late 15th century and the 17th century during which seafarers from various European polities traveled to, explored, and charted regions across the globe which had previously been unknown or unfamiliar to Europeans and, more broadly, during which previously isolated human populations ...
From "generator set", a locomotive that uses multiple high-speed diesel engines and generators, rather than a single medium-speed diesel engine and a single generator. Sometimes confused with Green Goat locomotives; the only similarities between the two types are their outward appearance and that both are designed to reduce air pollution and ...
The uptick in use of and interest in words using “x” (like folx, womxn, and Latinx), then, is a direct reflection of society’s need for terms that support identities that don’t fit in a ...
For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.
In the mathematical field of graph theory, a word-representable graph is a graph that can be characterized by a word (or sequence) whose entries alternate in a prescribed way. In particular, if the vertex set of the graph is V , one should be able to choose a word w over the alphabet V such that letters a and b alternate in w if and only if the ...