What is mean of And never have the Indians in all the Indies committed any act against the Spanish Christians until those Christians have first and many times committed countless cruel aggressions aga?

The statement suggests that the indigenous peoples of the Indies did not initiate conflict against Spanish Christians; rather, it was the Spanish who repeatedly engaged in acts of violence and aggression first. This perspective highlights the injustices and atrocities committed by colonizers, framing them as the aggressors in the interactions with Native populations. It underscores the idea that conflict often arises from oppression and exploitation rather than unprovoked hostility.