In exodus, a new Pharaoh had come to the throne of Egypt and he had never heard of Joseph. This new Pharaoh was not at all well disposed towards Israel like the predecessors were with the Israelites. The Egyptians were scared that Israel had joined forces with the enemies of Egypt. In addition, Pharaoh needed slaves; the simplest way to solve the problem would have been let them leave the country. However, he tried to solve the problem in their own way; He forced them to work hard, building cities where supplies would be stored. They were slaves forced to manufacture.
Eventually, the Pharaoh’s persecution against Israelites started. He ordered to kill all the boys’ newborns. Pharaoh said to the Hebrew midwives to kill the boys when the Israelites