In 490 BCE what happened at the battle of Marathon

How would the enlightenment movement have suffered if the scientific revolution had not occurred

How did the american revolutionary war change how some americans viewed the enslavement of african americans?

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