How have countries organized to protect their citizens from outside attack? (Choose three)
Select one or more:
a. They have created canals and large bodies of water in order to stop attackers from crossing over to their lands.
b. In the twentieth century, governments have formed alliances and fought great world wars in the name of protection and order.
c. They have led their followers to safe areas protected by high mountains, wide rivers, or vast deserts.
d. They have built Great Walls and guarded them carefully from invaders.



Answer :

Final answer:

Countries employ different strategies to protect citizens from outside attacks such as building Great Walls and forming alliances.


Explanation:

Countries have organized to protect their citizens from outside attack through various means throughout history:

  1. Building Great Walls and guarding them from invaders. Example: China's Great Wall.
  2. Leading followers to safe areas protected by high mountains, wide rivers, or vast deserts. Example: England's protection by the English Channel.
  3. Forming alliances and fighting world wars for protection. Example: Governments in the 20th century.

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