China's first great canal system, which created a northeast-southwest link from the Huang He (when the Huang had a northern course) to the Huai River, was built beginning in 605 during the Sui dynasty<span> (</span>
2,984 kilometers or 1854 miles.
<span>a line drawn by the pope that divided the world in half to settle differences between Portugal and Spain.</span>
The striking feature of the Jacksonian era was an increase in the influence of the common man.
Answer:
Option: B. Defending Constantinople against invaders
Explanation:
The Eastern Empire (Byzantine Empire) emerge after the fall of the Roman Empire. The Byzantine Empire formed its capital as Constantinople. Constantinople remained powerful and wealthy because of the strong military while cities in the Western Roman Empire crumbled. The Byzantine army reconquered the former Roman Empire by capturing territories. The main contribution of the empire was to preserve the Greek language and culture as well as the Romans. The necessity to fight the enemies and invading remained in the army strategy. Byzantine built a strong military, which helped them to rule over Europe and expand its territories. Byzantine Empire ruled most of Eastern and Southern Europe.