Question

The speech below was made in response to which of the following events?

Until four-thirty this morning I had hoped against hope that
some miracle would prevent a devastating war in Europe...
For four long years a succession of actual wars and
constant crises have shaken the entire world and have
threatened in each case to bring on the gigantic conflict
which is today unhappily a fact.
- Franklin D. Roosevelt, September 3, 1939
O
A. The Nazi invasion of Poland
O
B. The Mukden Incident
O
C. The murder of Austria's chancellor
O
D. The Nanjing Massacre
DEL

Answer 1

Answer: The nazi invasion of Poland

Explanation: Just got it right