Answer:
more americans started to be anti-german; posters were made and newspaper articles were written
They went on many protests throughout that time frame, and it caused a movement where so many people fought got the same thing so it was widely recognized throughout America and even widely recognized today.
The correct answer to this open question is the following.
Southerners claimed that abolitionist victories were creating a "wedge" in the Union. What they meant by this was that people from the South -who heavily supported slavey in their territories- thought that as abolitionists' ideas spread to the northern states, these somehow weakened the Union in that these ideas confronted their people through so much debate. For the southerners, this represented an advantage and creation distraction while the South gained time and maintained slavery in the large plantations, producing the kinds of crops that moved their economy.
Were they correct? Not at all but they had a point in that so much debate on the issue of slavery and the increasing idea of abolitionism distracted decision-makers in the northern states. Those were the years were more supporters of abolition made their moves. For instance, in Rochester, New York, Frederick Douglass led the newspaper "The North Star," an abolitionist publication that somehow exerted pressure in the public opinion.
Impact : The Haitian Revolution had many international repercussions. It ended Napoleon's attempts to create a French empire in the Western Hemisphere and arguably caused France to decide to sell its North American holdings to the United States (the Louisiana Purchase)—thus enabling the expansion of slavery into that territory.
The social instability of Saint Domingue was the leading factor in the Haitian revolution, as it caused political unrest within the colony. ... In political terms, the French Revolution aided in giving rights to slaves, and therefore causing anger and hatred between these different social classes.
Affect later revolutions : The Haitian Revolution had many international repercussions. It ended Napoleon's attempts to create a French empire in the Western Hemisphere and arguably caused France to decide to sell its North American holdings to the United States (the Louisiana Purchase)—thus enabling the expansion of slavery into that territory.
They used Maginot Line. The Maginot Line was built to fulfill several purposes: To prevent a German surprise attack. ... To push Germany into an effort to circumvent via Switzerland or Belgium, and allow France to fight the next war off French soil to avoid a repeat of 1914–1918. To be used as a basis for a counter-offensive.