Steak engine made water power obsolete
I believe it's called a Geiger counter.
The Romans wanted to be connected to or tied to ancient Greece and its heroes
The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The two different accounts of Constantine's famous battle at the Milvian Bridge were the following. He won the battle and as the angel promised in his dream, so Constantine converted into Christianism. And with this victory, he became the only and absolute ruler of the Roman Empire.
The battle at the Milvian Bridge was fought on October 28, 312. It confronted Constantine's troops against Maxentius' troops, the other Roman ruler. The battle was held at Milvian Bridgen, right over the Tiber River in Rome.
The scenario "Banning CFCs has resulted in the shrinking of a hole in the ozone above Antarctica." illustrates an example of how environmental policies have resulted in the reversal of environmental damage. I hope my answer has come to your help. God bless and have a nice day ahead!