2 "sine die" is used when something is postponed/adjourned, and means "without a specific date agreed to start again".
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  1. Location: it is a strategic point, the central point for which Black Sea trade must pass. If you are under siege and you have a fleet, you can get supplied sine die;indefinitely; if the enemy assaults the walls you can flee to the Asiatic mainland.

    To illustrate this point, think how much did the Byzantine Empire did resist while being just that city. And even then, the final conquest was not easy.

  2. Infrastructure: The Byzantines did a lot of work in the city. From Hagia Sophia to the walls. It also had well developed merchant colonies that ensured a nice income. After the sack of Baghdad, there were few comparable cities in the entire world, and none of those under Ottoman control.

    So, you leave the city to any governor, and suddenly that governor acquires a lot of power and wealth.

  3. Turkish is not Arab!! While both were Muslims, they certainly did not feel part of the same group. Ottoman conquests in Egypt and Persia1 were as bloody and contested as any of their European campaigns agains Christians.

    Certainly, you do not want to put your throne in a city far away from your power base. A well-timed (or badbadly-timed, if you are the ruler) insurrection and your head is at the stake.


1Which by the way were not Arabs, either.

  1. Location: it is a strategic point, the central point for which Black Sea trade must pass. If you are under siege and you have a fleet, you can get supplied sine die; if the enemy assaults the walls you can flee to the Asiatic mainland.

    To illustrate this point, think how much did the Byzantine Empire did resist while being just that city. And even then, the final conquest was not easy.

  2. Infrastructure: The Byzantines did a lot of work in the city. From Hagia Sophia to the walls. It also had well developed merchant colonies that ensured a nice income. After the sack of Baghdad, there were few comparable cities in the entire world, and none of those under Ottoman control.

    So, you leave the city to any governor, and suddenly that governor acquires a lot of power and wealth.

  3. Turkish is not Arab!! While both were Muslims, they certainly did not feel part of the same group. Ottoman conquests in Egypt and Persia1 were as bloody and contested as any of their European campaigns agains Christians.

    Certainly, you do not want to put your throne in a city far away from your power base. A well-timed (or bad-timed, if you are the ruler) insurrection and your head is at the stake.


1Which by the way were not Arabs, either.

  1. Location: it is a strategic point, the central point for which Black Sea trade must pass. If you are under siege and you have a fleet, you can get supplied indefinitely; if the enemy assaults the walls you can flee to the Asiatic mainland.

    To illustrate this point, think how much did the Byzantine Empire did resist while being just that city. And even then, the final conquest was not easy.

  2. Infrastructure: The Byzantines did a lot of work in the city. From Hagia Sophia to the walls. It also had well developed merchant colonies that ensured a nice income. After the sack of Baghdad, there were few comparable cities in the entire world, and none of those under Ottoman control.

    So, you leave the city to any governor, and suddenly that governor acquires a lot of power and wealth.

  3. Turkish is not Arab!! While both were Muslims, they certainly did not feel part of the same group. Ottoman conquests in Egypt and Persia1 were as bloody and contested as any of their European campaigns agains Christians.

    Certainly, you do not want to put your throne in a city far away from your power base. A well-timed (or badly-timed, if you are the ruler) insurrection and your head is at the stake.


1Which by the way were not Arabs, either.

1
source | link

  1. Location: it is a strategic point, the central point for which Black Sea trade must pass. If you are under siege and you have a fleet, you can get supplied sine die; if the enemy assaults the walls you can flee to the Asiatic mainland.

    To illustrate this point, think how much did the Byzantine Empire did resist while being just that city. And even then, the final conquest was not easy.

  2. Infrastructure: The Byzantines did a lot of work in the city. From Hagia Sophia to the walls. It also had well developed merchant colonies that ensured a nice income. After the sack of Baghdad, there were few comparable cities in the entire world, and none of those under Ottoman control.

    So, you leave the city to any governor, and suddenly that governor acquires a lot of power and wealth.

  3. Turkish is not Arab!! While both were Muslims, they certainly did not feel part of the same group. Ottoman conquests in Egypt and Persia1 were as bloody and contested as any of their European campaigns agains Christians.

    Certainly, you do not want to put your throne in a city far away from your power base. A well-timed (or bad-timed, if you are the ruler) insurrection and your head is at the stake.


1Which by the way were not Arabs, either.