Until lately, when you read about not eating meat sacrificed to idols, you would say, “Glad we don’t have to worry about that anymore!”. WRONG, There baaack!
A little more complicated than that. in the ancient days almost all meats sold was from animal sacrifices to the gods. To partake of it meant you were in agreement with worshiping those gods.
If a butcher put out meat and said nothing, you could buy with no problem. It was just meat for sale.
If the butcher proclaimed “This meat is sacrificed to the gods!” then a Christian was not to eat of it lest he be seen as partaking of the sacrifices to the gods.
But since Christians also knew there were no other gods, eating of it did not really pollute them. It was being seen partaking of those sacrifices that was the problem.
This might be why some meats are not listed as “Halal” so as not to bother Christians.
I do like my pork!