22,000 were killed or injured. It was a result of "carelessness" on the part of the workers (as said in coursehero.com)
<span>For post-1991 relations, see Sino-Russian relations since 1991. See also History of Sino-Russian relations and History of foreign relations of the People's Republic of China.For modern Taiwan-Russia relations, see Russia–Taiwan relations.</span>
Sino-Soviet relations (simplified Chinese: <span>中苏关系</span>; traditional Chinese: <span>中蘇關係</span>; pinyin: Zhōng Sū Guānxì; Russian: Советско-китайские отношения, Sovetsko-kitayskiye otnosheniya) refers to the diplomatic relationship between the Chinese Republic and the various forms of Soviet Power which emerged from the Russian Revolution of 1917 to 1991, when the Soviet Union ceased to exist.
These Compromises were trying to solve the slavery and anti-slavery of the states. It was a concern that there would be an out-of-balance number of states for or against slavery.
The answer you are looking for is C. peaceful