Weapons got better and gun powder was used. The old wooden mott and bailey couldn't stand against gunpowder so they had to change for the same level of defense.
yes
Castles in the early middle ages were motte and bailey castles- a motte was a large mound and a bailey was like a courtyard. These developed into the standard castle with strong stone walls etc.
Castles in the Middle Ages were used to keep out enemies.
castles were important in the middle ages mainly in 1066 and onwards
No castles have been built since the middle ages
usually no
Bricks ...that's what castles were made out of
motte and bailey castles
the castles in the middle ages were made of stone not wood because wood would burn easily.
There is a link below to a website on famous medieval castles.
Castles were developed in the middle ages because people thought that the kings and queens should live more wealthier than the peasant's. Therefore, they built castles.
The Roman did not have any castles. Castles emerged after the end of Roman civilisation, during the Middle Ages.