C. European countries entered into military alliances that required them to protect one another from attacks.
Answer:
C)10 ft, 5 ft, and 7 ft
Explanation:
For a triangle sum of two small sides are grater than third side.
So,
A)2 ft + 3 ft < 7 ft
NO
B)1 ft + 2 ft = 3 ft
NO
C)5 ft + 7 ft > 10 ft
Yes
D)10 ft + 5 ft < 20 ft
Answer: Some examples of the reasons are political policies and economics.
Explanation:
Gorbachev’s decision to allow elections with a multi-party system and create a presidency for the Soviet Union began a slow process of democratization that eventually destabilized Communist control and contributed to the collapse of the Soviet Union.
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Answer:
B. The US would be able to protect world peace.
Explanation: