Answer:
Open
Step-by-step explanation:
Open shop arrangement is the term which is defined or described as the office, factory or other kind of business establishment in which the union, which is selected or elected through a majority of the employees, that later act as the representative of all the employees while making the agreements with the employer.
So, in this case, the Hector is against the or opposed ton unions. Therefore, the comments of the Hector states that he is in favor of an open shop arrangement.