This was to make sure trade could flow as smoothly as possible. I hope this answer helps!
I've never knew about that, but If u think of it throughly, the houses before were made out of clay/mud, which gave the house structure, but not the skeleton. so, they placed planks/logs/sticks to give a skeleton for the house to not fall from there heads. understood?
Answer:
to create a public sympathy for wartime opponents
Denis Diderot was a famous French writer, art critic, and philosopher. Hew was born in 1713 and died in 1784. He was an important Enlightenment figure and is remembered for his co-founding, editing, and contributions to Encyclopédie.