This was astrolabe; an instrument to predict the position of the stars, that could also be used to predict t one's position. The compass was invented in China.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people.
HOPE IT HELPED
The threat of a communist takeover of Greece and Turkey led the United States to allow the Truman Doctrine to be passed. The Truman Doctrine was created by President Truman and passed it on March 12th 1947.
The Speaker of the House of Representatives follows the Vice in Presidential succession. <span />
