Answer:
My mother said that she wanted her house to look clean and nice at Tet holidays.
We can discuss it from many different points. However, since in this question we have to look at this only from 3 aspects, let's look at the cases of education, health and social security. In all cases, if people don't have an equal access to these basic services, they will face with problems. If you cannot have a proper education, you cannot get a better job and it will create financial instability in the future. If you don't have an access to the healthy services in case of food, sanitation and water, you will easily have health problems. If you don't have a social security, burglars will steal your possessions easily.
A. He regrets that he has acted so stubbornly and has caused his grandsons to suffer.
