You can own one, yes. North Carolina used to require a pistol permit to purchase a crossbow... I can't say with any certainty if that's still in effect, though.
No, civil unions and domestic partnership are not legally defined in North Dakota.
Same-sex marriage became legal in North Dakota on June 26, 2015.
Yes. Same-sex marriage is legal in North Dakota effective June 26, 2015.
No
When they are no longer a minor. Which would be when they turn 18 in North Dakota.
In the related links box below, I posted the North Dakota areas with a ban.
21
Yes
16 yrs
Saskatchewan and Manitoba, Canada are to the north of North Dakota and North Dakota is to the north of South Dakota.
North Dakota is up by the border of Canada, Wyoming is just next to South Dakota.
It is an analogy. North Carolina is to South Carolina as North Dakota is to South Dakota.