Explanation:
Have a nice homework, good luck
I believe that the answer was A in response to the Ottoman Turk's conquest of Constantinople. More like permission for King Alfonso to enslave Muslims who were "enemies" of Christianity.
The best answer for this question would be:
Geography and climate determined what kind of crops would be grown, leading to differing structures for economies and settlements.
The settlement of the different colonies were determined by the chosen environment that they were going to live at.
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To respond to international threats to security and peace.