Why did Jesus preach to the dead in "spirit prison" after his crucifixion if the dead are consigned to eternal hell?

Why did Egypt struggle to maintain its independence and frequently fall under the control of foreign powers like the Persians and Greeks?
How do you respond when neighbors or locals criticize your public support for the Democratic party?
How do INTPs differentiate between logical and illogical emotions, and does this affect how they express happiness or sadness?
How effective are supply chains of green technologies as both a means of domination and fertile ground for making the world anew?