What four nations prepared to spain regain lost territory in america

What would lead a historian to consider two events to have a relationship of correlation rather than causation

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

Who were the main leaders of the major powers (france, england, and great britain) during the treaty of versailles?