There is nothing to prevent my going.

He has been suffering from depression recently, which is interfering with his work.

Factional in-fighting threw a monkey wrench into the deliberations.

The town water supply was seriously obstructed by heavy rainfalls.

Import restrictions are barriers to closer relations between the two countries.

If long-term beds are reduced, then it won't be possible to do that and normal sickbeds will also be adversely affected.