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:
gender
Explanation:
<em>You haven't attached the events Alexandra is describing.</em>
Alexandra Kollontai was considered the first woman to have become a member of the<em> Bolshevik government. </em>She was a socialist feminist who founded the "Women's Department" in year<em> 1919. </em>She was an advocate in improving the living condition of women in the Soviet Union. Many of the events she was concerned of involved the "female gender."
So, this explains the answer.
The north launched an offensive against the south that lead to the overwhelming of the south and the fall of Saigon.
