Which factor is most important in determining the effectiveness of an interest group

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.

Which of the following statements is true of cause and effect relationships

1. the fifteenth amendment guaranteed for all us citizens, regardless of "previous condition of servitude." freedom citizenship voting rights religious tolerance 2. which group was still not allowed to vote following passage of this amendment? women poor men rich men former slaves 3. the fifteenth amendment was the last of the amendments. carpetbagger lincoln reconstruction scalawag