Judaism started out as more popular, then Christianity was created, and it became more popular.
See the link below for a chart comparing Islam, Christianity and Judaism.
Having tattoos or not having is not related to Hinduism. Hinduism is a very liberal religion if you compare it with the Abrahamic religions like Christianity, Islam, and Judaism.
I suggest Wequanta.com; a good teaching on the contrast of "foundations- law pageant, and spiritual Christ mindedness"
They are exactly the same.
You need to specify what is is that we need to compare the rise of Christianity in the Roman Empire to.
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Judaism and Christinity are alike and have some of the similarties...........but islam is a bit diffferent from both......... these three religions are together called as "Abrahamic religions"
Judaism: In Jewish tradition and practice, God is close by. He hears prayer and is intimately aware of the goings-on in this world. He provided prophecy during the Prophetic era, and intervened openly in the course of history in such events as the Splitting of the Reed Sea and the Giving of the Torah.
To find out how Islam compares to Judaism or Christianity, please see the Related Questions below. The main difference between the Arab beliefs prior to Mohammed and Islam was that the Arabs were henotheists (polytheists with one god who is more powerful than the others). They would worship their gods by way of altars and idols. They sacrificed their children on occasion and did other barbaric activities. Islam repudiated these activities.
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Roman Catholic AnswerThere is no way to compare Christianity and Catholicism as they are one and the same thing.