21 im not sure tho your welcome.
The people of the Arabian Peninsula were primarily nomadic because most of the land was and is dry, sandy desert, making it difficult to settle down and farm.
In 1859 brown led a raid on the federal army at Harpers Ferry to start a liberty for slaves there.He trialed with treason against the commonwealth of Virginia, killed 5 and a slave insurraction.He ended up being hanged by all the other courts.