Which specific employee right protected by Section 7

Assignment 1- Stratification and Prejudice in Current Events
June 21, 2017
Economic characteristics that emerged in china
June 21, 2017

Which specific employee right protected by Section 7
In Case 3-1, which specific employee right protected by Section 7 of the LMRA could Drake and Keeler argue they were engaged in which at least partially motivated the employer’s decision to discharge them?
600words two references