The correct answer is a bond of language and culture
When the empire fell, the military disbanded more or less and the country was in chaos. That is why a bond of language and culture kept the decentralized mess of an empire still going.
A collision could occur when the distance decreases and bearing between two vessel REMAIN UNCHANGED.
It is the responsibility of vessel operators that they are on look out and avoid all possibility of collision with other vessels. Operators are expected to operate at controlled speed, avoid careless boat operations and steer clear of restricted facilities.
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The Hudson River is the river in new york state flows for several miles over surface bedrock that is more than 542 million years old. It was named after Henry Hudson who is an Englishman cruising and have explored it in 1609.
