The first monotheistic religion was Zoroastrianism. It was founded by the Persians around 2000 BCE. Linguistically, the books of Zoroastrianism have much in common with the Vedic texts, however the Vedic religion itself was polytheistic. Judaism and Christianity both emerged later, inspired by Zoroastrianism.
By being hard to do the work because it does get hot out when doing that kind of job
It was the Great Depression I believe
"It was a new way of thinking about the universe that differed greatly from both classical thought and Church teachings." is 100 % correct good luck!!!