What is the overall message of this political cartoon based on WWII

Why hadn’t europeans used maritime routes before the age of exploration?

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean