Which of these disasters occurs first, before 25th December 2021?␟"War between two G20 member countries commences (as reported by nytimes.com)","S & P 500 index closes below 1000.00 (as reported by blomberg.com)","World Health Organization reports over 4 million deaths from Covid 19","A G20 member country defaults on a debt repayment (as reported by bloomberg.com)","The US Dollar collapses (as reported by bloomberg.com)","An extreme weather event kills more than 100,000 people in any country or multiple countries (as reported by nytimes.com)","The Bitcoin network suffers a catastrophic failure (unable to be used or abandoned)","None of these events occurs before 25th December 2021"␟disasters␟en_US