Which cause contributed to the fall of the assyrian empire

The Fall of Assyria. The decline and demise of the Assyrian empire was surprisingly rapid. Under Ashurbanipal Egypt regained its independence and his successors faced two enemies in the east: the Medes and the Babylonians. ... In the year 612 BCE, Niniveh fell to the combined forces of the Babylonians and Medes.

lines and shapes are a part of the visual elements which can be played with and used to create a mood or feeling in a composition.

some of the other elements include the pattern, color, tone and texture. all these elements serve together as the construction blocks which are used by the artists to create artwork.

lines are used to form drawings and different shapes are formed when these lines are used in certain lengths or angles. so the artist can play with these elements of art to create and express different moods, thus conveying different  meanings.