Final answer:
The provided information does not detail specific actions undertaken by Mayor Ben West, but actions indicative of progressive or supportive stances on civil rights during that era would have likely surprised African Americans and angered pro-segregation whites.
Step-by-step explanation:
The acts that surprised African Americans and angered some white community members in relation to Mayor Ben West are not directly detailed in the provided reference texts. However, based on historical events, one could infer that actions taken by individuals similar to Mayor Ben West during the civil rights movement, such as supporting desegregation or speaking against systemic racism, could have led to such reactions. These actions would generally have been unexpected from white officials in the South due to the prevalent racist attitudes and would have been met with resistance from those who supported segregation and opposed civil rights for African Americans.