You should include what you learned about its history so far “What has America stood for”

Why is it useful for historians to base certain studies on the analysis of historical themes

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste

Does anyone know why the second great awakening occurred? (i need an answer asap because this is a question on my assignment! < 3 : ))