Mercantilism is an example of an economic system, so your answer is C! :D
The working conditions were not good at all, and the wage they were paid were also not enough
The Know-Nothing Party C) wanted to undermine immigrant voting strength. The Know-Nothing Party was an anti-immigrant political group that sought to prevent increased political strength of immigrant communities because of their racist views of new immigrants.
National delegate -cough cough - and more stuff
<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>