At the end of the quotation, when the author says “Island” he refers to England. This excerpt refers to the fact that the English people took a great amount of land as its colonies between the 16th and 18th centuries. The British Empire and its Colonial Department was settled in England, which is and Island.
And the author states that it is absurd that a quite smaller island would govern a continent as big as Africa.
In English: Relations between the Soviet Union and the United States were driven by a complex interplay of ideological, political, and economic factors, which led to shifts between cautious cooperation and often bitter superpower rivalry over the years.
Cold War, the open yet restricted rivalry that developed after World War II between the United States and the Soviet Union and their respective allies. The Cold War was waged on political, economic, and propaganda fronts and had only limited recourse to weapons.
En Espanol: Las relaciones entre la Unión Soviética y Estados Unidos fueron impulsadas por una compleja interacción de factores ideológicos, políticos y económicos, que llevaron a cambios entre una cooperación cautelosa y una rivalidad entre superpotencias a menudo amarga a lo largo de los años.
Guerra Fría, la rivalidad abierta pero restringida que se desarrolló después de la Segunda Guerra Mundial entre los Estados Unidos y la Unión Soviética y sus respectivos aliados. La Guerra Fría se libró en los frentes político, económico y propagandístico y tuvo un recurso limitado a las armas.
I believe that finding the balance of drones would be putting a limit on how many drones a country can use at one time. I'm not sure on the other 2 questions.
B. Sea life. This is because all of the other three options are very publicized, but sea life is not.