Common Cause, a trade union for construction workers, recently took up the case of a worker whose was injured on-site and given no compensation by Hilson Developers. Since incidents like this were frequent, Common Cause began negotiating safer conditions of employment for construction workers with the Federation of Urban Developers. After three rounds of talks, the Federation was still unwilling to increase safety measures. It also refused to increase the compensation for an injured worker and his/her family until the employee was fit to re-join work as it was a nonproductive expenditure. The trade union representatives held onto their stance that since most construction workers were daily wage laborers, they were completely dependent on the developers to provide compensation when they were injured and unable to work. The contract negotiations have now come to a stand still. This is an example of a _____. Group of answer choices checkoff provision lockout jurisdictional strike bargaining impasse slowdown