Answer:
A
Explanation:
Boat go fast, need less time on water, shipping is cheaper
If i’m not mistaken around 10-15%
The Europeans built roads, bridges, and railways in african colonies cause it helped them transfer or trade materials like gold, meat, supplies, etc... but now in this century it helps the african colonies with there transportations <span />
Explanation:
Slavery in ancient Rome played an important role in society and the economy. Besides manual labor, slaves performed many domestic services, and might be employed at highly skilled jobs and professions. Accountants and physicians were often slaves. Slaves of Greek origin in particular might be highly educated.
en.m.wikipedia.org › wiki › Slavery...
Slavery in ancient Rome - Wikipedia
they were already unreachable but archers helped too
Explanation:
In order to prevent an enemy getting over the wall the castle builders selected their site with great care so that the terrain would be difficult for a belfry to cross. They then made it more difficult by digging a ditch or moat around the curtain walls in order to prevent the towers getting close to the battlements. yet archers played a great role in middle ages by defended castles and kingdoms from top while infantry troops fought.
