Plague is caused by the bacteria Yersinia pestis, a zoonotic bacteria usually found in small mammals and their fleas.
People infected with Y. pestis often develop symptoms after an incubation period of one to seven days.
There are two main clinical forms of plague infection: bubonic and pneumonic. Bubonic plague is the most common form and is characterized by painful swollen lymph nodes or 'buboes'.
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Constitutional Convention, (1787), in U.S. history, convention that drew up the Constitution of the United States. Stimulated by severe economic troubles, which produced radical political movements such as Shays’s Rebellion, and urged on by a demand for a stronger central government, the convention met in the Pennsylvania State House in Philadelphia (May 25–September 17, 1787), ostensibly to amend the Articles of Confederation. All the states except Rhode Island responded to an invitation issued by the Annapolis Convention of 1786 to send delegates. Of the 74 deputies chosen by the state legislatures, only 55 took part in the proceedings; of these, 39 signed the Constitution. The delegates included many of the leading figures of the period. Among them were George Washington, who was elected to preside, James Madison, Benjamin Franklin, James Wilson, John Rutledge, Charles Pinckney, Oliver Ellsworth, and Gouverneur Morris.Constitutional Convention, (1787), in U.S. history, convention that drew up the Constitution of the United States. Stimulated by severe economic troubles, which produced radical political movements such as Shays’s Rebellion, and urged on by a demand for a stronger central government, the convention met in the Pennsylvania State House in Philadelphia (May 25–September 17, 1787), ostensibly to amend the Articles of Confederation. All the states except Rhode Island responded to an invitation issued by the Annapolis Convention of 1786 to send delegates. Of the 74 deputies chosen by the state legislatures, only 55 took part in the proceedings; of these, 39 signed the Constitution. The delegates included many of the leading figures of the period. Among them were George Washington, who was elected to preside, James Madison, Benjamin Franklin, James Wilson, John Rutledge, Charles Pinckney, Oliver Ellsworth, and Gouverneur Morris.
Iceland is the most isolated because it is separated from the others by a larger distance across the ocean, and by deep ocean crust rather than just submerged continental shelf
Historical themes help us study history by giving us an idea of what the time period or event being studied was about.
