The boy groups are...
HOW MANY KPOP GROUPS ARE THERE???
There are many kpop bands out there but there are nearly 119 active bands,64 boy groups and 55 girl groups.
HOW DID KPOP GET INTO AMERICA???
It got into america because of a group named BTS. They went to the AMAS (american music awards). Then they got a award there and they got popular. Then people all around the world found that out and got into kpop and it got really popular all over the world.
WHEN DID KPOP START???
It started in 1996, when the one of first group was H.O.T. Then the groups devloped and now days groups have 2-20 people in each group.