I need key details and a summary for the story “The legend of King Arthur”

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

Was sharecropping a good way to survive

In atleast 150 words evaluate the effectiveness of the presidential election process in the united states