His family has accumulated wealth over the years.

drained
squandered
amassed
dispersed

The correct answer is C. amassed.

To amass is to accumulate or gather a large amount of something, especially money or possessions. In this case, the family has accumulated wealth over the years. This means that they have gradually

acquired a large amount of money or possessions.

The other options are incorrect because they have different meanings.

  • To drain something is to empty it out or use up all of its contents.
  • To squander something is to waste it or spend it foolishly.
  • To disperse something is to spread it out or scatter it.

I hope this helps!