How to use "endeavor" in a sentence

Hand in hand with that we must frankly recognize the overbalance of population in our industrial centers and by engaging on a national scale in a redistribution, endeavor to provide a better use of the land for those best fitted for the land.

And if a beachhead of cooperation may push back the jungle of suspicion, let both sides join in creating a new endeavor, not a new balance of power, but a new world of law, where the strong are just and the weak secure and the peace preserved.

The energy, the faith, the devotion which we bring to this endeavor will light our country and all who serve it - and the glow from that fire can truly light the world.