Your boats registration number
I am unsure of how to answer this completely, but I will give it my best.
It could be meant that there is no physical boundary holding them apart and that the world's oceans simply flow into each other rather than being separated. Such as the pacific and Atlantic. They are not held apart, they flow around countries and flow into each other at a certain point.
Continental Plate theory. Originally seen as stupid and impossible by a german scientist, but soon adopted by most if not all scientists.
Answer:
flood well I think this is the answer
For the first eleven years of its existence, the United States
implemented a "B. Confederation" style government, since during this
time most of the power was reserved by the individual states--not the
central government.