An astrolabe is a primitive angle-measuring tool. It can be used to - very in-exactly! - measure the altitude above the horizon of a celestial body like the Sun, Moon or Polaris in order to calculate your position.
Medieval gunners used the astrolabe to calculate the height of towers and buildings, in order to more accurately aim their cannons.
Answer:
The US paid certain “contributions”, not taxes, (but you might call those contributions coming from US taxes anyway) to the Barbary States, a string of North African ports, such as Oran, Algiers, Tripoli, Tunis, mainly dominated by pirates, aka Barbary corsaires, that were nominally subdued to Ottoman Empire.
Explanation:
Answer:
Grand Banks, portion of the North American continental shelf in the Atlantic Ocean, lying southeast of Newfoundland island, Canada
The Grand Banks are one of the richest fishing grounds in the world. The shallow waters are constantly mixed by the cool current from the north and the warm current from the south, making an ideal breeding ground for the nutrients that feed the fish .So, the gran bank area is so important to Canada
Answer: presidental democracy
Explanation:
This is because the president is head of both state and goverment unlike some other states.