What was a primary cause of the Russo-Japanese war? O Russia and Japan sought to expand their spheres of influence.
Russia and Japan sought to spread their religious ideologies.
O Russia and Japan wanted to remain isolated from the world.
O Russia and Japan wanted to create new alliances.

Option "A" is the correct answer to the following question.

Explanation:

Japan and Russia have been seeking to extend their geographical areas. The war arose from the competition for supremacy in Korea and Manchuria between Russia and Japan. China later rented it to Russia. Once Japanese invaded Russian sails at Port Arthur, mostly on south, the Russo-Japanese War began.

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.