The army was forced to retreat due to a strong Serbian defense.

There, for want of an enemy to fight, their army was forced to be idle.

The army was forced to spend a night in Greenwich due to a winter storm.

After weeks of heavy fighting, his army was forced to retreat.

This army met very little resistance, but was forced back by heavy losses due to disease.

And it was quite possible that the entire army would be forced to surrender.

However, the army sustained heavy casualties, and was forced to retreat.

The army was then forced to put down insurgencies all over the region.

Having lost about 4,000 men, including 200 officers, the Polish army was forced to retreat.

The great army, moving on wheels, was slowed down and often forced to halt.