The environmental legislation signed by President Bush in 1990 set stricter standards on pollution from factories. This was done to prevent the negative results of pollution, since everything concerning that was getting worse and worse.
Answer:
I think the ice age came first
Explanation:
The correct answer is that numbers 1, 2 and 3 are accurate and number 4 needs revision. The Edict issued by the emperor Constantine didn´t fail because it protected and preserved the freedom of worship for the Christians and even other forms of beliefs. The Concil of Trent occured much later as the Protestant Reform was a threat to the Roman Catholic Church.