How might the impact of the first amendment contribute to change as society advances?

What kind os source would a historian use to get a firsthand account of a past event

Describe the technology advancements that lead to explorers being able to sail great distances. [[ps: doesn't explain where. i am only speculating it's in europe.

How did the printing press make it difficult for the catholic church to stop the reformation? o a. priests were too busy printing and distributing bibles to oppose protestantism. o b. it created a growing middle class that was no longer interested in religion. o c. critics of the catholic church were able to quickly replace any hey writings the church destroyed. d. there were few printing presses in italy, where leadership of the catholic church was centered.