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.
Territories obtained in the Mexican American War of 1848 caused further sectional strife over the expansion of slavery.
<h3>What is Mexican-American War?</h3>
Mexican-American War can be regarded as the annexation of republic of Texas which occured as a result of dispute over the boundary of Texas is at Nueces river .
This war create more tension between the North and the South because of sectional strife over the expansion of slavery.
Learn more about Mexican-American War at;
brainly.com/question/14365527
Car manufacturers and plastic bottle making
His opinion or
fake hatred news.
Answer:
B, C, and D are correct
Explanation:
They did NOT create the first written laws.