1. did she/he
2. yes he didn't
3. when did she win the election
4.the sun rises in the east
5. he was elected as our leader by us
6. he asked her what her name was
Both are correct. Example sentences below.
In three hours, we will arrive at our house.
In three more hours, we will arrive at our house.
When using "more", it implies that there was time that was previously passed.
