How to Use "linchpin" with Example Sentences

1. The linchpin of this eastward move would be vietnam .
2. A good coordinator is the linchpin of a successful program .
3. He views the country as a strategic linchpin whose loss would cost new delhi dearly .
4. The linchpin of wikileaks 's financial network is germany 's wau holland foundation .
5. It 's also a linchpin of the investment strategies of a growing number of hedge - and private-equity funds .