Answer:
They resulted in higher casualty rates than in the past is the correct answer.
Explanation:
Shatter belt is a concept in geopolitics according to which on the political map are recognized and analyzed strategically positioned and oriented regions that are deeply internally divided and encompassed in the competition between the great powers in the geostrategic areas and spheres.
Between the time periods of 600-1450 Common Era, it was
referred to as the dark ages in Europe because the cities and regions in Europe
lack poetry, which was a dark experience. It was not really a dark globally,
but only in the part of Europe wherein poetry vanished, but right after the
dark ages, was the beginning of the modern age, which gave life to poetry and
to music once more.