Explanation:

- Option 1: Immovable property

- Extortion can involve threats or coercion to gain control or benefits from immovable property like land or buildings.

- Option 2: Valuable security

- Extortion can target valuable securities, such as stocks or bonds, by using threats to make the victim hand over control or ownership.

- Option 3: Movable property

- Movable property, such as personal possessions or cash, can be the subject of extortion when threats are used to obtain them.

- Option 4: All of the above

- Extortion can be committed against all types of property: immovable, valuable security, and movable.

Your Answer: Option 4 - All of the above