I assume the 30s and 40s during WWII. The men were drafted to war so the women took their jobs.
Answer:
Francis Drake
Explanation:
Sir Francis Drake was ordered by Queen Elizabeth to decimate the supply of Peruvian gold to Spain.
Answer:
Because Early people had no way of transporting water from one place to another,so the rivers were usually their only source of water.
Explanation:History class
Answer:
Algebra
Explanation:
Egyptians were pioneers in the use of algebra, althoug more specifically in its application to geometry and trigonometry. Calculations for engineering projects were vital, however few examples survive, and are concentrated in papyrus such as the Moscow Mathematical Papyrus. Specifically there were demonstrations of geometrical progression and of equations.
