"if a real estate professional says to a potential seller that the neighborhood is ""changing"" and ""isn't what it used to be,"" that message may be considered blockbusting.
a. true
b. false"

True

Explanation: Blockbusting refers to the techniques used by the real agents in America. In general the agents and the builders use this for white house owners. The agents while using this, tries the owners that the racial communities are moving to the neighborhood and it would not be safe for them.

In simple words, they use the perception of racism so that they can get the property at relatively cheaper prices.

Thus, from the above we can conclude that the given statement is true.

1. avoid them

2. a talk with them

3. ask someone you trust

4. ignore

5. call police