The primary reason the Israelites used this grizzly practice was because if they let their survive, there was the danger that they would make peace, intermarry, and adopt their 's religious beliefs and practices.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

answer; control group;

answer; not notated (at least, not in the traditional sense) and includes many improvised sections and solos;