Many members of the caravan say that the generosity of Mexican citizens helps them keep moving to their destination, the U.S. border still some 1,500 miles to the north.

"A Christian cannot be an anti-Semite; we share the same roots. It would be a contradiction of faith and life."

Cardinal Blase Cupich spoke about the synod’s method of “synodality,” the sexual and other forms of abuse of minors, the role of women in the church and migration.

Countries do not develop by themselves; they are built by migrants, Pope Francis said.

The pope urged people "to listen, to be a neighbor, to bear witness.”

“May the Most High receive the dead in his peace, comfort their families and sustain the wounded,” he prayed as he addressed thousands of pilgrims from many countries gathered in St. Peter’s Square on Sunday, Oct. 28.