They were hard to get to from city centers.
They had bad odors.
They were cramped and dangerous to live in.
Answer:
D) the internal combustion engine
Sorry If wrong......
Answer: Religion in pre-Islamic Arabia was a mix of polytheism, Christianity, Judaism, and Iranian religions. Arab polytheism, the dominant belief system, was based on the belief in deities and other supernatural beings such as djinn. Gods and goddesses were worshipped at local shrines, such as the Kaaba in Mecca
Explanation:
The assassination of Abraham Lincoln