Answer: Nigeria and Liberia
Explanation:
A compact state is one where the distance from the center of the country is more or less the same to all the boundaries of the country.
Nigeria is a compact state with the center being in the capital of Abuja. Its compact nature allows for roads to be built easier. Liberia to the west of Africa is also a compact state with its shape being decided by European powers when they were scrambling for Africa in the Berlin Conference.
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Answer:
Ocean tides are caused by the complex interplay of three astronomical bodies