Complex sentence: Sultan Selim II was infuriated by Mustafa's hesitation to go Yemen, he executed a number of sanjak-beys in Egypt and ordered Sinan Pasha to lead the entire Turkish army in Egypt to reconquer Yemen.
Split into simpler sentences: Sultan Selim II was infuriated by Mustafa's hesitation to go Yemen. He executed a number of sanjak-beys in Egypt and ordered Sinan Pasha to lead the entire Turkish army in Egypt to reconquer Yemen.