An example of due process of law as guaranteed by the fifth amendment is

I’m pretty sure it’s b. ensuring trials follow certain procedures and rules. I’m really sorry if this is wrong. :(

Explanation: The fifth amendment says that the people have no right to not answer a judge and/or a jury during criminal court.

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.