Brown v. Board made segregations in schools illegal.
This would make the answer B.
Answer:
Pearl Harbor
Explanation:
The President's description of December 7, 1941 as "a date which will live in infamy" was borne out; the date very quickly became shorthand for the Pearl Harbor attack in much the same way that November 22, 1963 and September 11, 2001 became inextricably associated with the assassination of John F.
America’s first political parties emerged in the late 1790s. The Democratic-Republicans were led by Thomas Jefferson. The Federalists were led by George Washington, Alexander Hamilton and John Adams.
The Democratic-Republican Party or the Anti-Administration party (Anti-Federalists) opposed the strong central government that the Constitution established when it went into effect in 1789, and the Federalist Party supported the ratification of the American Constitution. These two parties made up the first two-party system. The conflict over the passage of the federal Constitution of 1787 saw the formation of the first political parties or factions. George Washington served as a uniting force of political parties throughout the first eight years of the country's existence. But after his retirement, the country was divided into two ideologically opposed factions that were soon referred to as the Federalists and Republicans, the country's first two America's political parties.
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Lincoln's major war aim was to preserve the Union, or the whole nation.