They had no idea what was over there
Answer:
The craftspersons of Bidar were so famed for their inlay work in copper and silver which came to be known as Bidri. Weavers such as Saliyar or Kaikkolars emerged as prosperous communities making donations to temples.
It enabled those two powers to partition Poland between them. It basically paved the way for the joint invasion and occupation of Poland that September. By signing the agreement, Hitler avoided the threat of a major two-front war.
Collective bargaining was used by unions to allow the union leaders to negotiate wages, labor contusions, etc with employers. The goal was to increase wages, better working conditions, etc.