Prussian, Russian, and Austrian empires
If the Moon didn't spin at all, then eventually it would show its far side to the Earth while kinetically circumventing our planet in orbit. However, since the rotational period is precisely identically tantamount to the orbital period, the same portion of the Moon's sphere is always facing the Earth.
Answer:
The is no such thing as perfect :(.
Explanation:
World war z my boy
The area of the ocean floor with the thickest sediment deposits would be near the mouth of a river.