The correct answer to this open question is the following.
The changes to Chinese administration and bureaucracy that Song rulers introduced were the following.
The Song dynasty produced changes in ancient China. Its leaders were committed to work and develop notorious advancements such as the use of the compass for exploration, the use of gunpowder to wage war and other uses such as construction, and invested so much in the formation of its standing navy, culture, arts, education, literature, and philosophical studies. Confucianism had a second "fresh air" with the studies of philosophers such as Zhu Xi and Cheng Yi.
Bureaucracy was centralized under the Song dynasty and demanded its bureaucratic officials to work with virtue and high moral. Indeed, they had to pass difficult examinations and evaluations to be part of the Song bureaucratic system of government.
The Song dynasty started in 960 and ended in 1279.
Explanation:
a unitary system is lead by one governing system
federal gives authority to state and local systems
<span>It helped establish transatlantic trade routes to the Americas.</span>
Answer: this is all true.
Explanation:
After the election of 1860, in which Abraham Lincoln was elected president, South Carolina seceded from the union. 10 other states followed its lead, forming the confederate states of America. President Lincoln decided that he could not allow the country to break apart and that only military force could save the union. The Civil War began. What other options did Lincoln have, if any, in his quest to save the nation?