inexpensive.

MECHANIZED INFANTRY 6-6-3 (Labor Union) [50]: a group of modern
infantry mounted on armored vehicles like the Bradley.
Mechanized infantry is the best defensive ground unit in the
game, useful for defending cities or other important points. It
also has a good attack factor and excellent speed.

MILITIA 1-1-1 (-) [10]: a band of citizens armed with crude
weapons, mostly tools and farm implements. Militia are normally
the only military unit that you can build when starting a new
civilization and are only a stopgap until better units become
available.

MUSKETEERS 2-3-1 (Gunpowder) [30]: a company of infantry armed
with muskets. Due to their higher defense factor, Musketeers are
useful for replacing Phalanxes in positions that need to be
defended.

NUCLEAR 99-0-16 (Rocketry & Nuclear Fission) [160]: a missile
weapon armed with a nuclear warhead. A Nuclear unit can only be
built after the Manhattan Project Wonder has been built
somewhere in the world. A Nuclear unit may move between cities
and Carriers. It is lost if it does not end its turn in a city
or on a Carrier, and does not attack. It explodes when it
attacks an enemy unit or city. A Nuclear attack destroys all
military units in the target square and adjacent squares,
regardless of who they belong to. Nuclear attacks may also
destroy city populations and cause pollution.

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