Final answer:
The scenario describes burglary, which involves unlawful entry into a building with the intent to commit a crime, such as theft.
Step-by-step explanation:
The scenario described is an example of burglary. Burglary is defined as the unlawful entry into a building with the intent to commit a crime, usually theft, but no contact with victims is necessary. In this case, the men breaking open the door and starting to load a truck with merchandise indicates intent to commit theft, which when combined with the unlawful entry, constitutes burglary.
This is different from theft, which involves taking someone else's property without permission but does not require breaking into a structure; vandalism, which involves causing deliberate damage to property; and robbery, which involves theft with the use of force or the threat of force.