A time of great sorrow and hardship for Israelites during this time period

Well it depends. Are you talking about when the Israelites were made slaves for th3e Egyptians? Are you talking about the time period when the Israleites sinned and got punished by beign slaves to different kings?

Explanation:

b, the anti immigrant fervor

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."