Cold War: the <a href="https://en.wikipedia.org/wiki/Seabed_Arms_Control_Treaty" id="mwASk" rel="mw:WikiLink" title="Seabed Arms Control Treaty">Seabed Arms Control Treaty</a> opened for signature outlawing <a href="https://en.wikipedia.org/wiki/Nuclear_weapon" id="mwASo" rel="mw:WikiLink" title="Nuclear weapon">nuclear weapons</a> on the ocean floor in <a href="https://en.wikipedia.org/wiki/International_waters" id="mwASs" rel="mw:WikiLink" title="International waters">international waters</a>.<sup about="#mwt210" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-40"}}' id="cite_ref-40" rel="dc:references" typeof="mw:Extension/ref"><a href="./February_11#cite_note-40" id="mwASw" style="counter-reset: mw-Ref 40;"><span class="mw-reflink-text" id="mwAS0">[40]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-40"><cite about="#mwt207" class="citation book cs1" id="CITEREFExperts2019">Experts, Disha (2019). <a class="external text" href="https://books.google.com/books?id=nnGrDwAAQBAJ&amp;pg=PA222" id="mwCZM" rel="mw:ExtLink nofollow"><i id="mwCZQ">Exclusive Social, Polity &amp; Economy Topics for Civil Services (IAS/IPS) Prelims &amp; Mains Exam</i></a>. Disha Publications. p.<span id="mwCZU" typeof="mw:Entity"> </span>222. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwCZY" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwCZc" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-93-89418-24-8" id="mwCZg" rel="mw:WikiLink" title="Special:BookSources/978-93-89418-24-8"><bdi id="mwCZk">978-93-89418-24-8</bdi></a>.</cite><span about="#mwt207" class="Z3988" id="mwCZo" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Exclusive+Social%2C+Polity+%26+Economy+Topics+for+Civil+Services+%28IAS%2FIPS%29+Prelims+%26+Mains+Exam&amp;rft.pages=222&amp;rft.pub=Disha+Publications&amp;rft.date=2019&amp;rft.isbn=978-93-89418-24-8&amp;rft.aulast=Experts&amp;rft.aufirst=Disha&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DnnGrDwAAQBAJ%26pg%3DPA222&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AFebruary+11"></span></span>