Answer:
The Nuclear Test Ban Treaty.
Explanation: This treaty was signed in 1963, as representatives of the United States, Soviet Union and Great Britain signed the Limited Nuclear Test Ban Treaty, which prohibited the testing of nuclear weapons in outer space, underwater or in the atmosphere.
The reign of King<span> John shows what often happened in the Middle Ages when a </span>king<span>lost a war – his authority was completely wrecked. The </span>English<span> barons rebelled and, on 15 June 1215, they forced John to agree to </span>Magna Carta<span> - a set of demands by which the barons tried to </span>limit the power<span> of the </span>king<span> to their advantage.</span>
USA, UK, France & USSR
Berlin was also split into four and each of the four above also had their own sections of Berlin- however the Capitalists (USA, UK & France) all banded together to make a stronger nation, making their own new currency and building the economy from scratch; this is what triggered the Berlin Blockade & Airlift
A.) is the correct answer because this year is 2017 and 2000bc (before Christ) so you add them together