Is this multiple choice? If so send it to me so I can help you
He was a devout Catholic and supported the Pope and the counter-reformation. The protestants were deemed as heretics and were prosecuted by the Spanish Inquisition. This coincided with the fact that the protestants were at large Dutch and were rebellious so he fought against them.
The Ottoman Empire was mainly Sunni Islam.
Answer:
they both had a common interest in astronomy.
