The map shows the Gupta Empire.

A map titled Expansion under Gupta Rulers. A key shows rulers and area of expansion by color. Chandra Gupta I (circa 320 to 35 C E) in blue. Samudra Gupta (circa 335 to approximately 74 C E) in purple. Chandra Gupta I I (circa 380 to approximately 415 C E) in green. Blue shading begins along the northern border of India and extends south to Bodh Gaya. Purple shading includes the region along the eastern coast to Bodh Gaya and northern India. Green shading extends from the purple region in northern India south and west to the coast of the Arabian Sea.

Samudra Gupta’s conquests expanded the Gupta Empire to include a large portion of territory along which area?

the western coast
the eastern coast
the southern tip of the peninsula
the islands in the Bay of Bengal