The correct answer is The lynching of a Jewish businessman
Step-by-step explanation: The second phase of the Klan took place from 1915 and extended into the mid-1940s. It was the period when the Klan had the most power, becoming an influential political force in some US states and having millions of members. . At this stage, they continued their persecution against African Americans, but focused their violence on Catholics and Jews.
The influence of Ku Klux Klan in this second phase was such that the group had four million members. The group's weakening at this stage came as a result of internal power disputes, as well as scandals involving the group that were reported by the US media at the time.