Complex sentence: Valignano survived the crisis by laying all the blame on Coelho, and in 1590, the Jesuits decided to stop intervening in the struggles between the daimyo and to disarm themselves.
Split into simpler sentences: Valignano survived the crisis by laying all the blame on Coelho. In 1590, the Jesuits decided to stop intervening in the struggles between the daimyo and to disarm themselves.