| His passion for helping the underprivileged, the derelicts of society, and for world evangelization was built upon his passion for Christ. |
| Both Pius XI and Pius XII had pontificates that built upon the concordats begun under Benedict. |
| The apparatus of algebraic geometry is built upon polars, and these upon distances. |
| Soon, the counternarcotics police and the DEA developed a strong link built upon loyalty, camaraderie, and, of course, financial dependence. |
| The house itself is built upon a lot of greensward which runs down amid some great, beetling rocks. |
| A network built upon trust and cooperation comes crashing down when thugs and goons roll through the neighborhood. |
