The theme system is best described as
A) a highly patterned style of Byzantine architecture
B) a new military system in which land was granted farmers who, in return, would provide the empire with loyal soldiers
C) groups of provinces that were divided into dioceses high we’re administered by a vicar

B) a new military system in which land was granted farmers who, in return, would provide the empire with loyal soldiers.

Explanation:

The theme system is best described as a new military system in which land was granted farmers who, in return, would provide the empire with loyal soldiers.

(Khan Academy)

answer; geography and region;

answer; the above statement is false