The Morales family wasn't under attack, at least not officially. Rather, the ships of several powers were in the surroundings, each one had come with "gifts", these gifts being Leonel's demands of them in exchange for the lives of their juniors.
Due to the matters that had happened the moment the Heir Wars ended, they hadn't had time to gather up these materials. But, Leonel's ability to read the intentions of people, and further these powers, only got sharper the stronger his mind became. He could see the difference between those that had come with intention of actually paying up, and those that expected the gesture alone to be enough.