In democratic countries, a special relationship exists between media and government.

The early period existed between the 1720s and the 1760s.

The middle period existed between the 1770s and the 1780s.

The late period existed between the 1790s and the 1840s.

He had not thought that such a thing could exist, except, perhaps, between father and son.

The company existed between 1939 and 1952 when it went out of business.

Is the relationship no different than that which would exist between you and an independent third party?

They carried on as though a state of war had never existed between them.

Such love might exist between family members, friends, and couples.

Sounds like the sort of relationship that exists between many a father and son.