What are join forces?

Some articles on join forces:

List Of Magic: The Gathering Keywords - Ability Words - Join Forces
... Join forces is an ability word geared toward multiplayer variants ... An effect denoted with join forces allows all players to contribute to it, usually by paying mana, though that effect might not be mutually beneficial ... Join forces appears in Commander ...
List Of S-CRY-ed Characters - HOLY Characters - Ryuho
... reappearance of both Kazuma and Mimori, Ryuho and Kazuma join forces to defeat him ... HOLY HQ, intending to defeat him once and for all and begrudgingly join forces ... Following Mujo's defeat, Ryuho and Kazuma join forces for several months to destroy the massive military invasion coming from the Mainland ...

Famous quotes containing the words forces and/or join:

    “The modern world needs people with a complex identity who are intellectually autonomous and prepared to cope with uncertainty; who are able to tolerate ambiguity and not be driven by fear into a rigid, single-solution approach to problems, who are rational, foresightful and who look for facts; who can draw inferences and can control their behavior in the light of foreseen consequences, who are altruistic and enjoy doing for others, and who understand social forces and trends.”
    —Robert Havighurst (20th century)

    “Then join hand in hand, brave Americans all!
    By uniting we stand, by dividing we fall!”
    —John Dickinson (1732–1808)