Answer to Question 1
This decision limits the Board to decisions rested on proper legal foundations based on the evidence in the record of the case but not solely on its judgments as to the sort of economic weapons the parties can use to gain acceptance of their bargaining demands..
Answer to Question 2
A whipsaw strike is a strike against one strategically situated employer in order to weaken the opposition of others or force them to capitulate. One company is played off against other companies.