a) The inscriptions provide us valuable information which could not be tampered or modified. Thus inscriptions are the most important sources for constructing the history of a particular region. Inscriptions are more important than coins in historical reconstruction.
b)Most of the kingdoms of the medieval period rose to power and fell frequently. This was because most of the kingdoms, empires were constantly engaged in power struggle amongst themselves.
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.
