The tension between u. s. representatives’ shared interest in reducing government waste and their individual interests in preserving government programs that benefit their constituents often produces a/an that prevents political action to improve bureaucratic efficiency.

impasse.

Explanation:

An impasse refers to a situation where further progress is not possible, as the agents of subjects involved in the situation can't make any agreements to break the deadlock. In our case, the tension between U.S. representatives’ shared interest in reducing government waste and their individual interests in preserving government programs that benefit their constituents often produces an impasse that prevents political action to improve bureaucratic efficiency.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.