### Directions:
Match the terms on the left with the correct definition on the right.

Terms:
1. Trench warfare
2. Total war
3. War of attrition
4. War communism
5. Planned economies

Definitions:
A. War based on wearing down the other side by constant attacks and heavy losses
B. Russian government control of business and centralization of state administration under Communist control
C. Fighting from ditches protected by barbed wire
D. Economic system directed by government agencies
E. War involving the complete mobilization of resources and people, affecting the lives of all citizens



Answer :

Final answer:

Trench warfare, total war, war of attrition, war communism, and planned economies during significant historical events like WWI and the Russian Revolution.


Explanation:

Trench warfare: Fighting from ditches protected by barbed wire, as seen in WWI.

Total war: Involving the complete mobilization of resources and people, affecting all citizens' lives.

War of attrition: A war based on wearing down the other side by constant attacks and heavy losses.

War communism: Russian government control of business and centralization of state administration under Communist control.

Planned economies: Economic system directed by government agencies for centralized management.


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