Complex sentence: His secret rapprochement with Israel was followed by a public rapprochement with Egyptian president Gamal Abdel Nasser in 1964, which bolstered Hussein's popularity both in Jordan and in the Arab World, he even received a warm welcome after visiting West Bank cities afterwards.
Split into simpler sentences: His secret rapprochement with Israel was followed by a public rapprochement with Egyptian president Gamal Abdel Nasser in 1964, which bolstered Hussein's popularity both in Jordan and in the Arab World. Hussein received a warm welcome after visiting West Bank cities afterwards.