The profession that a person can rely on the information about parallel and perpendicular lines are the civil engineers. They will know if the structure of the building having perpendicular beams means that it may or may not be stable depending on the material used.
answer:people are racial
and they believe that they are the only race around
It's important to keep a clear evacuation route is because you need to make sure that you and your family, friends, etc, can get out safe, and alive.
1. Be more assertive
2. Stop asking for permission from others/make your own decisions
3. Get to know yourself
Most of the fighting was trench warfare. The eastern front was fought in central and eastern europe and was one of the main places where ww1 took place