Answer:
Conflicts over trade, human migration and settlement, ideologies and religions, and exploitation of marine and land environments reflect how Earth's surface is divided into fragments controlled by different formal and informal political, economic, and cultural interest group.
The Short Answer:
High and low tides are caused by the moon. The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.
