What innovation contributed to the development of the technique shown?

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.

he said they would ensure there dominace in the new world meaning anyone who lived there and anyone there would be controlled by columbus as he would dominate the country and defeat them by being the biggest empire in the new world