The spraying of Agent Orange by the US military during the Vietnam is still affecting the Vietnamese people now even though the Vietnam War occurred over 50 years ago. Children being born currently are still experiencing birth defects due to the chemical being used to clear out the brush in Vietnam all those years ago. The country is now looking to sue Monsanto, the manufacturer of Agent Orange, as there is now legal precedent after Monsanto was sued due to RoundUp causing cancer to those who use the weed killer on a consistent basis.
Yes, there are many lawsuits in the US against Roundup.