The war prevented millions of recently arrived immigrants from returning to Europe as they originally intended.

The proposal would prevent millions of college students and graduates from consolidating their education loans to lock in low interest rates.

But my Commander, what is to prevent millions of the wretches from simply wandering back to their former habitations?

The program has already provided treatment for some 1.1 million people in 15 countries and prevented millions of new infections, by administration estimates.

It could also prevent millions of workers from sharing in the success of their firms through employee ownership.

New vaccines currently under development have the potential to prevent millions of additional deaths.

The screens prevent millions of fish from entering the intakes and return them to the Hudson River.

Such as stealing the art treasures of the past and preventing millions of people over many centuries from enjoying them.

Unfortunately, the rising cost of higher education prevents millions of Americans from getting the best education they can.

In addition, border security will prevent millions of illegal immigrants from infringing upon every legal citizen's right to pursue the American dream.