What would be a great ending sentence to this conclusion? (it's argumentative)

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

Between 1820 and 1860, the united states received a huge number of immigrants from european nations. on the map, identify the state where the most immigrants moved in search of jobs.

How did the feudal rights of nobles limit government both in england and in germany?