What was the primary motivation for the united states' participation in the space race during the cold war? a. to convince the soviet union to abandon the domino theory b. to protect its weaker allies from possible communist rebellions c. to protect u. s. corporate interests in central and south america d. to demonstrate its scientific superiority over the soviet union

c

explanation:

c

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.