Assuming you men "approve" and not "improve" here, it was all thirteen states that had to approve of the Articles of Confederation before they could officially go into effect.
YARD-LAND: Thirty or forty acres in possession of a gebur.
YEOMAN: See: "Man-at-Arms."
YOKE: A measurement of land in Kent equal to one quarter of a sulung.
YSENBRUN: Galebrun, French coarse brown cloth.
the Soviet Union fell due to World War 2, when the Allied Nations defeated the Natzies.
Alexander Hamilton, the first secretary of treasury of the United States, publicly endorsed Thomas Jefferson (Aaron Burr's competitor), leading to Jefferson's presidency. Wanting a democratic republican for a vice president, Jefferson reformed the party to get rid of Burr, with the argument that it didn't make sense to have the runner-up become the vice, seeing as the two individuals would have differing views on political, social, and economic issues.
The first curator was E.J. Berwick