This number would greatly increase, as there are many nations that don't have their own their own country. Some are part of a bigger country (the Tamils in India) and some are distributed among many countries (the Kurds)
Recognizing all those nations could increase some conflicts, such as that between the Kurds and Turkish in Turkey.
I think that a good definition should acknowledge that some nations have independent states and some are part of another state - the defining characteristics should be a sense of unity among the nation.
Answer:
They carefully spelled out the independence of the three branches of government: executive, legislative, and judicial.
I think the answer is memory or recalling memory, which i think is the same thing. I hope this helps :)