What situation was Congress trying to avoid when it overrode President Nixon's veto of the Budget and Impoundment Control Act?

The correct answer to this open question is the following.

Although you forgot to attach the options for this question, we can say the following.

The situation Congress trying to avoid when it overrode President Nixon's veto of the Budget and Impoundment Control Act was "constituents nationwide being denied Social Security checks."

The United States Congress overrode the veto imposed by US President Richard Nixon on July 12, 1974. These were difficult moments in the relationship between the executive branch and the legislative branch. Legislators reached an agreement to create the Congressional Budget Office to revise the situation and come up with the kind of legislation to improve the process of making the official budget.