1.   He worked to prevent the Jesuits from acquiring land and influence, though he supported their spiritual ministry to the Catholic settlers.

2.   Engineers are working to prevent the tower from toppling over.

3.   Although she is known for her work in comedy, working to prevent the tragedy of COPD has become a passion for Anderson.

4.   Arizona Foundation for Women was created to raise and channel funds for local agencies working to prevent domestic abuse, sexual abuse and teen pregnancy.

5.   At the same time, opponents of the right to die are working to prevent such suicides.

6.   At times, he worked to prevent important art from leaving Britain.

7.   But the National Rifle Association and the rest of the gun lobby work to prevent even that impediment from being put in the way of the fast draw.

8.   Debate will continue Tuesday as McCain and other supporters work to prevent damaging amendments from being offered.

9.   E-tailers have been working to prevent problems this year.

10.   Entry inhibitors work to prevent the virus from entering the human cell in the first place.