They created the united nations so that they can arrange things so that another war doesnt start I believe but its the united nations
They developed a written language.
Answers: Was to preserve the Union rather than concentrate on the issue of slavery. Lincoln was prepared to take any actions to save the Union regardless of the slaves being held and laboring in the South.
Hope it helps.
Answer:
They need to move around because every time they hunt the population of whatever they are hunting decreases.
