2. HOW DO PEOPLE USE IT
They use it to tell them when to stop or to go. So then
they don’t crash their car.
3. WHY DO PEOPLE NEED IT
They need it because they might crash there car if the
both sides go at the same time.
4. When was it mostly been used for
the first time
In 1882.
5. Who invented it
Garrett Morgan was one of the first inventors. I do not
know who was the first person really made it.
6. HOW HAS IT CHANGED OVER THE
YEARS
It has changed by not using a lever and being so close to it.
The reason why they changed it so fast is because it exploited.
Then it maybe killed a man.
7. WHAT ARE THE ADVTGES
They help us not get in car crashes. Or they help us
keep are kids safe.
8. WHAT ARE THE DISADVENTEGES
Some bad things about them are easy to vandalize or
easy to be knocked down in a storm.
9. WHAT IS Similar
I think a stop and go sign , yield sign and the speed
limit signs.
