The history of humanity is full of wars, revolutions and military coups. It seems that armies have played a very important role in building the world as we know it today. Most countries have specialized armed forces on land, air and maritime bodies. Now, a small group of countries has no army, how will you do to defend themselves?

In peacetime Costa Rica does not have a professional army, but a little large civil guard. The existence of a permanent military is prohibited by the Constitution from 1949.

Liechtenstein abolished its armed forces in 1868 in order to save. However, there is mandatory for citizens to defend the small Alpine country in hostilities military service.

en.wikipedia.org/wiki/Flag_of_Liechtenstein

With no army, citizens of Samoa in the Pacific, would be protected by New Zealand in case of conflict.

en.wikipedia.org/wiki/Flag_of_Samoa

Andorra no spend money on maintaining its own army. His defense is reponsability > France and Spain.

en.wikipedia.org/wiki/Flag_of_Andorra

Dominica, in the Caribbean, has no army since 1981.

en.wikipedia.org/wiki/Flag_of_Dominica

Like Samoa, Tuvalu, also in the Pacific, has never had its own army.

en.wikipedia.org/wiki/Flag_of_Tuvalu

Although the Vatican has no army, the Swiss Guard is directly dependent on the Holy See.

en.wikipedia.org/wiki/Flag_of_Vatican_City

The small Caribbean paradise Granada does not have an army since the US invasion in 1983.

en.wikipedia.org/wiki/Flag_of_Grenada

Other Pacific Islander, Kiribati, relies on neighboring Australia and New Zealand for protection in case of conflict.

en.wikipedia.org/wiki/Flag_of_Kiribati

Australia also guarantees the protection of Nauru.

en.wikipedia.org/wiki/Flag_of_Nauru
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