Germany completes its 1939 invasion of Poland

The transcript describes the rapid deployment of troops and equipment to the frontier to halt the advancing Germans. Despite efforts, the Germans, with superior forces, overcame the opposition in just 11 days. The loop buffer played a crucial role in this effort. Hitler personally observed the military operations, seeking a close view of the unfolding events in Poland.

What did Hitler want to observe during the military action?

What does the phrase 'Poland's wake' imply in the context of the events described?