Moreover , timed contracts allowed employers to prepare for strikes , rendering such job actions less effective .
The IWW had believed that if workers did not retain the right to strike whenever called upon , then employers could whipsaw one group of workers against another .
Timed contracts allowed employers to prepare for strikes , rendering such job actions less effective .
The IWW had believed that if workers did not retain the right to strike whenever called upon , then employers could whipsaw one group of workers against another .