question:
Banner Armies were organized along ethnic lines, namely Manchu and Mongol, but included non-Manchu bondservants registered under the household of their Manchu masters.
How were Banner's organized?

answer: yes

question:
He was appointed to the Central Preparatory Commission in 1961.
In what year was Montini appointed to the Central Preparatory Commission?

answer: yes

question:
He further concluded that, although half of those forces might cross south, "if the Chinese tried to get down to Pyongyang, there would be the greatest slaughter" without air force protection.
Who was not concerned about the idea of Chinese troops moving south into Korea?

answer: no

question:
Those factors largely disappeared with the introduction of more efficient video codecs and the advent of lower cost high-speed ISDN data and IP (Internet) services in the 1990s.
In what decade were more efficient ways of using sign language via video-telephony developed?

answer:
yes