The main purpose of the 4th Corps offensive was to recapture positions in Tay Ninh province, then overflow the border, destroy military bases and logistics, and seek to destroy or cause damage. for Cambodian military units in the Eastern Military Region. Motorcycle racing sometimes i look back on my life poster. The attack was also to show strength to the Pol Pot government, and to bring the Vietnamese defense line ten to forty kilometers deep into Cambodian territory. In this battle, the Vietnamese attacked in three directions.