The Brush Wars were a series of conflicts that took place in the
mid-20th century on Earth, in the continent of Asia. They were
characterized by two superpowers aiding and assisting lesser
nations in their conflict with each other. The Brush Wars went
on "bloody year after bloody year," according to one 23rd
century observer. The Brush Wars were unpopular in some
countries on Earth, with riots breaking out, in particular among
young student popuations. One such riot was held at Santa Cruz
in 1967, requiring police forces to break up the riot with tear
gas. (VOY: "Future's End") In 2268, Captain James T. Kirk
compared the Brush Wars with the conflict on the planet Neural,
stating that the situation of supplying rifles to both sides in
a civil war, countering interference by the Klingon Empire, was
very similar to the situation which had developed on 20th
century Earth. Kirk further stated that the results of giving
one side enormously superior weapons would result in destruction
on a planetary scale. (TOS: "A