What was an accomplishment by the song dynasty of china?
a. the song rulers expanded the use of coinage and paper currency.
b. the song rulers defeated kublai khan after a long war.
c. the song rulers expanded into the mongol empire.
d. the song rulers first evaluated officials using civil service tests.

The accomplishment by the Song dynasty of China is that the song rulers expanded the use of coinage and paper currency.

Explanation

The period of Song dynasty was the golden period of China with several advances in technology, art and administration. Earliest  form of paper money in the world developed during the period of Song rulers and it was called Jao Zi. It was one of the popular paper currency of that time.

The high development of commerce is indicated by this factor. The Song period was also famous for the technological advances. The world famous inventions, compass,gun powder and movable printer was in China during the Song period.

the assassination of president lincoln was just one part of a larger plot to decapitate the federal government of the u.s. after the civil war. the first reaction to lincoln’s death was disbelief. then it quickly changed to grief. abraham lincoln’s death created an outpouring of grief from citizens in both the north and the south.

explanation:

lincoln was the first u.s. president to be assassinated. president abraham lincoln, america’s civil war leader, was assassinated just five days after confederate general robert e. lee surrendered his army at appomattox court house, ending the four-year war between the states. on the evening of april 14, 1865, lincoln was attending a performance of our american cousin at ford’s theatre in washington, d.c. john wilkes booth – a 26-year old actor, confederate sympathizer, and white supremacist – slipped into the presidential box and shot lincoln in the head. john wilkes booth and his conspirators had initially planned to kidnap lincoln to save the confederate states. but as the confederacy faltered, booth’s thoughts turned to murder. booth may have decided to act on his hatred after lincoln endorsed giving the right to vote to african-american men who had served in the union army.