New Delhi, June 9 -- Spanish lawmakers gave Pope Leo XIV a standing ovation on Monday after he called for respect for migrants' rights and international law in a historic address to parliament that signaled a new level of acceptance of the Catholic Church in the overwhelmingly secular country.

In the first-ever papal address to Spanish lawmakers, the American pope said a "moral renewal" was necessary in legislatures and public life to ensure respect for the inherent dignity of all people, including migrants, the unborn and the most vulnerable.

"The moral greatness of a nation is manifested, above all, in its capacity to accompany, protect and love those lives that are most fragile," Leo said.

Speeches by popes to foreign legislatures a...