How did the leaders agree to deal with poland?

Allies stood by as Poland was invaded by Germany with the help of Russia.  The Poles made a valiant stand but were overwhelmed by the Germans and Russians.  It was only Frafter Poland was invaded that Britain and France declared war on Germany.

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.