Which policies did Genghis Khan use to unite the Mongol confederation?

By defeating his rivals one by one, showing no mercy. What traits enabled Genghis Khan to conquer most of Asia? Because he was a brilliant organizer, a gifted strategist and adopted new weapons and technology used by his enemies.

Explanation:

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.

a. favoring native born americans over immigrants.