Question: "What was one outcome of Egypt being in contact with so many eras and nations?"

Context: "Egypt has one of the oldest civilisations in the world. It has been in contact with many other civilisations and nations and has been through so many eras, starting from prehistoric age to the modern age, passing through so many ages such as; Pharonic, Roman, Greek, Islamic and many other ages. Because of this wide variation of ages, the continuous contact with other nations and the big number of conflicts Egypt had been through, at least 60 museums may be found in Egypt, mainly covering a wide area of these ages and conflicts."

Answer:
at least 60 museums may be found in Egypt
The question asks what the outcome of Egypt being in contact with so many eras and nations was. The answer is found in line 3: "Because of this wide variation of ages, ... at least 60 museums may be found in Egypt". This shows that as a result of all these contacts, there are now more than 60 museums about them to be visited today!.