The expedition was intended to last for two years, but after only six months the outbreak of war made further work impossible.

The outbreak of a new war made defence against chemical warfare agents once again an urgent problem.

An outbreak of yellow fever made him interested in medicine.

That outbreak has killed two people and has made hundreds ill.

The outbreak of war made it impossible to receive further shipments after August 1914.

"One case does not an outbreak make," he said.

An outbreak of owls hooting loudly made them all jump.

The outbreak of war made the further mobilization of resistance in the army more difficult.

You were right when you said the outbreak of the war made our skirmishes petty.

She planned to return home, but the outbreak of war made it impossible.