I thinks it’s the UN because they oversee everything but I’m not 100% sure!
Answer:
Complexicity, Controversary atlases and simplicity
Explanation:
The Ice Ages shaped and sculpted the face of the Earth. Continents that were once connected by land bridges had shifted and separated during the Ice Ages. Therefore without the Ice Ages, Earth would look significantly different, and some of the natural beauties like Niagra Falls would not exist.