George Washington was the first president of the United States.
Answer: Catalhuyuk is considered a civilization, as it was a key point in the development of civilization. it is one of the earliest civilizations known.
The correct answer is The Austrian heir to the throne was assassinated by a Serbian nationalist.
The "spark" moment that helped immediately start World War I was the assassination of Archduke Franz Ferdinand by Serbian nationalist Gavilo Princip. This assassination took place on June 28, 1914. This would help to start a 5 year war that had millions of casualties.
One factor is that Constantinople, the capital of the Byzantine empire, had a wall around it which made it impervious to invaders. Since the wall was so impervious the economy and culture of the byzantine empire was able to stay around fro 1000 years.
