A). the site of Harappa is six times larger than Mohenjodaro site
B). the Indus Valley Civilization is considered the elementary/initial stage of Vedic culture and Harappa is believed to be the same as Harappa mentioned in the Vedas
C). Harappa was the first site to be excavated in the Indus Valley
D). the most important evidence of the achievements of this civilization have been excavated from Harappa