1. Did the frontiersmen have to overcome many difficulties?
2. Did the frontiersmen have to overcome many or little difficulties?
3. The frontiersmen had to overcome many difficulties, didn't they?
4. Who had to overcome many dofficulties?
5. What did the frontiersmen have to overcome?
1. Did the pioneers have a hard life?
2. Did the pioneers or the natives have a hard life?
3. The pioneers had a hard life, didn't they?
4. Who had a hard life?
5. What life did the pioneers have?