Answer:
Social change can cause conflict within and between societies. Social change can cause a cultural lag which leades to conflict. A main conflict is between youth and parent, which is a result of social change.
During the 20th century there was war. This includes World War I. The wars would cause poverty in familes due to the high demand of food and supplies to soldiers overseas. This led to other families fighting for survival.
The practice which is not sound in conducting individuales is C) conducting in-person interviews and telephone interviews in the same poll.
In-person interviews deliver the most representative results. Telephone surveys provide a good alternative but they need using a larger sample.
The 19th amendment granted women the right to vote.
Hope that helps
Answer:
I think its C but im not totally positive.