Christianity spread quickly throughout the Roman Empire during what time period?

In the gettysburg address, which rhetorical device does abraham lincoln employ when he says, "the world will little note,nor remember what we say here, but ic never forget what they did here"?

This term refers to events that occurred during the great depression where panicked customers withdrew their deposits in fear that the banks were going to close and their investments would be lost. example: much of the great depression's economic damage was caused by nationwide

Following world war 2, how did the world's leaders promote peace and reduce poverty?