Answer: The answer is "Torque"
Explanation:
Torque is a turning effect of a force applied at distance. This is the force that helps in the tightening and loosening of elements such as bolts and screws. So, if you need to insert a screw in a piece of wood to drive it in, the force you need to apply using a screwdriver is called Torque. Therefore, the answer is "Torque"
WWI was mostly trench warfare.
Answer:
The plague, also the black death caused a drastic fall in the total population of the inhabitants of Europe.
Explanation:
The competition and congestion that was being experienced eased. Labour became a scarse resource out of the sudden reduction, there were plenty of jobs, with good pay, compared to the previous competition out of the large population of peasants.
There was a lot of land and therefore no congestion, land became cheaper and consequently led to high mobility.
Constantinople was the capital of the Byzantine Empire and it was the center of culture and economic development.