Why did texans have economic problems after the civil war ended?

Because the South lost the civil war, Texas along with many other Southern state's suffered. Not only economically but also mentally because the old life they were used to would no longer be because of the North's victory.

Scoical activity hour is scocial studies

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.