A new rule cannot reach back — Rules Square · Justice
On Friday the football club decides that shin guards are now required. On Saturday someone says Lena should sit out, because she played without them last week.
Your task
Pick the best choice at each step.
- In many legal systems, nobody can be punished for something that was allowed when they did it. A new rule counts from the day it starts, and people must be told about it first.
- An invented story to learn from, not legal advice. Laws differ from country to country. For a real problem, talk to a trusted adult or a lawyer.
- Everyone is equal before the law. Nothing about you is collected.
Score
- Understanding justice — You understood how this part of justice works.
- Fairness — You treated everyone fairly and listened to all sides.
- Safe & ask for help — You stayed safe and knew when to ask a trusted adult.
In real life
The idea that a person can only be punished under a rule that already existed is part of many constitutions and of international human rights texts.
Rules Square
- What is a rule?
- Why do groups need rules?
- Rights and duties
- The same rules for everyone
- Fair or unfair rule?
- When a rule is broken
- Asking for a better rule
- How to make a good rule
- Rules of nature, rules of people
- An old rule, a new world
- Rule, law or custom?
- Rights for every child
- Most people win, nobody loses rights
Invented stories to learn from, not legal advice. Laws differ from country to country. For a real problem, talk to a trusted adult or a lawyer; in an emergency call your country's number (112 in the EU). Nothing about you is collected; progress stays on this device.
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