The two forces combine to make an army of unimaginable size.

How all these forces combine and ultimately influence each other has become a source of deep worry.

In Gonzales, the forces combined to form a single force.

Now, forces inside and outside the community have combined to endanger its way of life.

Several forces have combined to depress the price of gold, which is down 16 percent so far this year.

Several forces combine to mix the waters of the ocean.

The two forces combined for some 5,000 to 7,000 cavalry.

Several forces may be combining to dull the effect of the exchange rate on exports.

Also, the driving force of will combined with intrinsic energy.

Together, these two forces combine leaders of all the country's ethnic groups.