I’m not sure this is the answer you’re looking for but! • They create decimal system based on Hindu numerals and the zero • Advances also made in geometry, algebra, and trigonometry. • Astronomers built observations and measured the Earth. They also used the astrolabe, an instrument designed to measure the plot and position of stars.
The Domino Theory was based on the idea that communism was a contagious force that spread from country to country. It was first advanced during Harry S. Truman's presidency, when WW2 ended, as the United States adopted the policy of Containment to restrict communist expansion and the sphere of influence held by the USSR.
The Embargo Act of 1807 was a law passed by the United State Congress and signed by President Thomas Jefferson on 22 December 1807. It prohibited American ships from trading in all foreign ports.
