War industry was a major endeavor, massive both in terms of scale and costs involved. New technologies, munitions, weapons had to made and designed. This meant there was a need for massive number of new workers and subsequently a need for new houses where the workers would live. That was the difficulty that the industry had to face.
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Specifically The three major religions in Europe are Christianity, unaffiliated and Islam.
Overall in Europe 47 percent of Christians are Roman Catholic, 18 percent are Protestants, and 35 percent are Orthodox (Rubenstein 2019, p. 140). Christianity is the most popular religion in Europe because of the establishment of the Roman Catholic Church. Europe was one of the first places the followers of Jesus traveled to spread his views.
They built churches and converted kings and emperors to these beliefs (Medievalists.net 2015).
A, Brazil, The immigration and nationality act of 1952 plays called us on the immigration people from Brazil