Airplanes and chemical warfare were technological advances during world war 1.
Answer:
It stated three major roles: A construction of a strong national banking system, high protective tariffs on imported goods, and transportation improvements, such as the construction of canals.
Explanation:
They were surrounded by the ally powers
The iron curtain refers to the Berlin Wall which separated Europe during the Cold War. This term symbolizes the efforts by the Soviets to block itself from the West.
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