Answer:
The main concepts of this philosophy include Ru (humaneness), righteousness, propriety/etiquette, loyalty, and filial piety, along with strict adherence to social roles.
The origin of the 1905 revolution goes back to the recently-concluded Russo-Japanese War, in which Japan placed a serious check on Russia's power to expand in East Asia. Many Russians saw this outcome as a source of humiliation, and supported an effort to remove the Tsar because of it.
B.) Spain did not import African slaves into its colonies
Answer:
The economic phenomenon of stagflation
