What was the political significance of Kublai Khan's conquest of China? O Kublai Khan united with the Sung dynasty to unify China. O Kublai Khan defeated the Mongol ruler of China. O Kublai Khan defeated the Tang dynasty of China. O Kublai Khan unified China under the Yuan dynasty.

It is either B or D

I know for sure it is not A or C.

Sorry if I am no help. ಠ╭╮ಠ

Explanation:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: