Border ruffians contributed to the "bleeding Kansas" problem by actively terrorizing citizens of the free state. The Border ruffians came from the slave state of Missouri and in an attempt to change attitudes through force, they would actively terrorize opponents to their pro-slavery stance. The "bleeding Kansas" problem occurred as is was decided around the time of 1950 that the settlers themselves would choose whether Kansas was a free or slave state. This resulted in a flood of people from both sides rushing to settle Kansas in order to gain another state that aligned with their particular values. The period lasted until about 1959-60 and animosity persisted through the civil war.
Answer:
Exactly five years after the assassination of Archduke Franz Ferdinand—the event that tipped Europe into world war—the Treaty of Versailles was signed in Paris on June 28, 1919. The armistice signed on November 11, 1918 officially ended the hostilities, but the negotiations between the Allied victors at the Paris Peace Conference lasted six months and involved diplomatic delegations from over thirty-two countries.
Signing of the Treaty of Versailles in the palace's Hall of Mirrors, June 28, 1919. Image courtesy Wikimedia Commons.
US President Woodrow Wilson had delivered a speech in January 1918, in which he laid out his vision for the postwar world. The Fourteen Points elaborated Wilson’s plan for the comprehensive overhaul of international relations. He called for an immediate end to the war, the establishment of an international peacekeeping organization, international disarmament, open diplomacy, the explicit disavowal of war, and independence for formerly colonial territories. Wilson’s Fourteen Points were hugely influential in shaping the contours of the postwar world and in spreading the language of peace and democracy around the world.
Explanation:
C.)Immigrant factory workers
this is because they want a better country
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Cherokee Indian Cases (1830s)

In the cases Cherokee Nation v. Georgia (1831) and Worcester v. Georgia (1832), the U.S. Supreme Court considered its powers to enforce the rights of Native American "nations" against the states. In Cherokee Nation, the Court ruled that it lacked jurisdiction (the power to hear a case) to review claims of an Indian nation within the United States. In Worcester, the Court ruled that only the United States, and not the individual states, had power to regulate or deal with the Indian nations.
