Because they thought that they had a better supply of fresh water and because they knew it was deep enough to dock ships. (english)
The "Deep South" included Georgia, southern Alabama, Florida, Mississippi, north Louisiana, and East Texas. The term refers to a cultural and geographic subregion in the southern US. These states also known as the "Cotton States" due to high numbers of large cotton plantations.
deep south is a place where they sold slaves to make money
deep in the heart of Texas
A harbor is a sheltered part of a body of water deep enough to provide anchorage for ships.
The harbour at Botany Bay was not sheltered enough from the strong winds, nor was it thought to be deep enough for large ships.
deep enough for ships to sink and go all the way under
This is deep water so ships can sail through. Becouse ships need deep water to sail through places
Because the St Lawrence river, the St Lawrence seaway as it is known, is wide & deep enough for ships to navigate the waterway.
A waterway deep and wide enough for a vessel is called navigable.
It depends on the draft of the shift. Draft is the amount of ship that is underwater. Some ships have very deep draft that prevents them from entering many harbors. New York has the deepest and widest harbor in the world and there are many ships that cannot enter due to their draft. To put that in perspective the controlling depth throughout the harbor is about 45 feet. I once served aboard a tanker with a draft of 82 feet!