The factors were mostly geographical. They had Nile to help them make food and have surpluses for trading and they were also protected from intrusions on all sides. One side had the desert, one had Nile, and one had the Sea, and nobody could just easily attack and destroy them.
Where are the options? Sorry, I think you forgot to add them
Not having money brought the economy down
Some people disagree with using agent orange during the Vietnam war because the agent was dangerous and had adverse effects on both the enemy and the American troops. Agent orange was a powerful chemical used for defoliation during the Vietnam war to eliminate forest cover. It was later discovered that the chemical caused serious health issues for the service men, their families as well as the enemy. Health issues experienced include: birth defects, tumors, rashes, cancer, etc.
The Declaration of Independence, I believe :)
