The correct answer is that what led the Soviet Union to establish the Warsaw Pact was that West Germany joined NATO in 1955.
The Treaty of Friendship, Cooperation and Mutual Assistance, better known as the Warsaw Pact, was a military cooperation agreement signed on May 14, 1955 by the countries of the Eastern Bloc. Designed under the leadership of the Union of Soviet Socialist Republics (USSR), its express purpose was to counteract the threat of the North Atlantic Treaty Organization (NATO), and in particular the rearmament of the German Federal Republic, to which the Paris Agreements allowed to reorganize their armed forces and join the NATO. The Pact was dissolved on July 1, 1991.
So the Great War (World War One) was a war that started in 1914 and finish on November 11, 1918. It lasted for four years.
Now the start of the war:
began in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder catapulted into a war across Europe
The U.S. didn't go into war for about 2 and an a half years, During the conflict, Germany, Austria-Hungary, Bulgaria and the Ottoman Empire (the Central Powers) fought against Great Britain, France, Russia, Italy, Romania, Japan and the United States (the Allied Powers).
By the time the war was over and the Allied Powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.
Conquest by Tamerlane (Timur) and Mughal Empire. From 1383 to 1385, the Afghanistan area was conquered from the north by Timur, leader of neighboring Transoxiana (roughly modern-day Uzbekistan, Tajikistan, and adjacent areas), and became a part of the Timurid Empire.
Nathaniel Bacon issued a list of complaint which was actually the declaration of the people of Virginia. He presented this complaint on 30th July 1676 and in this complaint, Nathaniel Bacon announced Virginia's colonial governor, William Berkeley as corrupt and unfair.
He expressed his anger towards the unjust taxation policies and failure of government to provide protection from Native American tribes. This aggression of Bacon was known as Bacon’s rebellion. This rebellion was result in the major economic, social and political crisis of Virginia.
