Answer: (d) Congress was unable to deal with threats from foreign powers.
Explanation: Just took the test :)
The Kyoto Treaty does not undermine the United States sovereignty because it does not have anything to do with such. It was a treaty that asks committing State parties to reduce greenhouse gas emissions because global warming does exist and it is caused by CO2 productions done by human activities.
Answer:
The correct answer is A this stuff was build long ago by the romans somewhere around in BC
B. Government jobs were assigned according to merit measured by performance on exams.
C. It established a long-lasting civil service system founded on strong Confucian values.
Hope this helps please tell me if im wrong :)