There was a reason...God permitted it. He withdrew his hand of protection from Job:
Job 1:9 And Satan answered Jehovah and said, Does Job fear God for nothing?
Job 1:10 Have You not made a hedge for him, and for his house, and for all that is his all around? You have blessed the work of his hands, and his livestock have increased in the land.
Job 1:11 But put out Your hand now, and touch against all that is his, and see if he will not then curse You to Your face.
Job 1:12 And Jehovah said to Satan, Behold, all that is his is in your hand! Only, do not lay your hand on him. And Satan went out from the face of Jehovah.
Our country, the greatest on the earth, was once God fearing. Our government acknowledged and honored God. No more. Our culture scorns and mocks God. Our political parties shut God out. Our government shuts God down.
God has removed the hedge from around us. Satan is having his way right now.
What I mean is, that Job’s relatives did nothing wrong, yet they died.