How did Doña Gracia support Jewish culture in the Ottoman Empire?

In response, Dona Gracia organized a trade embargo of the port of Ancona in the Papal States. In Istanbul, she built synagogues and yeshivas. One of the synagogues is named after her (La Señora). These institutions were created primarily to help the refugees to return to Judaism, their ancestral faith.

Answer volcanic eruptionsseismic waves from earthquakes;