Task: Translation
Input (Japanese): サンディフック小学校銃乱射事件で用いられたような、攻撃性のある武器の販売の禁止を試み、一度の手続きで購入できる弾薬量に規制を設けるなどの、他の法案の改正提案も同様に、充分な票を集めることに失敗した。
Output (English): Other proposed amendments to the bill which endeavoured to ban the sale of assault weapons like the one used in the Sandy Hook shooting and to place limits on the amount of ammunition which could be purchased in a single transaction also failed to garner sufficient votes.