Cause is what happens and effect is the result of that action
Answer:
Northern and Southern Democrats supported Franklin Pierce because he promised to honor the Compromise of 1850 and the Fugitive Slave Act.
Explanation:
<span>Nationalism led to arrogance among the citizens of various nations by promoting a sense that people of a particular country were superior to those of other nations and by giving people the impression that they could win any war thanks to their togetherness. Other factors that contributed to causing World War I include imperialism and militarism.</span>
Beacause shooting down an airplane would be an act of war