When a group of people gather for common practice, activities and interests, they are make up society. Such people start to exchange experiences and views on interests, activities and practices, they can associate, work on, improve and create a community of common interests and preferences. When society's development over common interests reaches a high level, then a highly developed society, which in this way leaves a certain significance and trace in history, is a civilization.
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:
World War 1
Explanation:
WW1 just ended in 1918, and the US had just come out victorious.
Answer:
The Second Battle of Gettysburg.
Explanation:
Major confederate loss.