Defense
From Wikipedia, a free encyclopedia written in simple English for easy reading.
Defense or defence is protecting something from attack.
Self-defense is protecting yourself from attack.
A country's government may form an army, a navy, and/or an air force to protect the country and its people from attacks.
In these groups, people are specially trained to use weapons and fight. Together, these groups form a country's military. Some governments, like the United States' government, spend large amounts of money every year to buy and keep weapons and to pay people to defend their countries. These trained people are called soldiers.
Defence usually means a country's armed forces, but a country's armed forces might also be used to attack or be used for non-military jobs, such as delivering aid.
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