<span>The Treaty of Verdun was made in "B. 843" although it should be noted that there have been several treaties using the same name (although this is by far the most notorious. </span>
Constantine changes the religious policy of the Roman Empire by making Christianity the official religion of the Roman Empire. Thus, option A is correct.
<h3>Who is Constantine?</h3>
Constantine was the emperor of Rome, when he was made emperor the civilization was not that managed but alter he emerged won many wars and was also gave a rebirth to Christianity in Rome, and made many memorials and structures for the same.
Constantine was the first emperor to pronounce himself a Christian not only, but he had various churches made in his time and also made some great reforms for the Christian.
That increased the number of Christian people that were living at that time, and there were lots of conversions happening after his declaration. He had the Roman Empire adopted Christianity as its official religion. Therefore, option A is the exact option.
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It changed from 2.5 million workers to 10 million workers.
A number of workers came from all over the world. Since the development of industrial technology opened up a lot of opportunities, many people all over the world start to migrate into united states to get jobs. This cause the massive increase in industrial workers that we see during the period.
