The Apollo-Soyuz Test Project was a joint United States-U.S.S.R. venture to live and work together on a space platform in orbit.
North Korea wanted to be a communist country while South Korea water decracy
How did colonizing countries hold and try to control their colonies? The institution of imperialism was maintained by a complex set of ideas on race and civilization. These ideas worked to both justify the colonization of countries and to maintain the military and economic power that upheld the colony.
I would go with c not the other ones