they arrived on a boat and had to make shelter and had to maybe plant some food to eat. It also could of been a little cold so could of made a fire. They when they got there they found bones of one man that is it.
they needed to get food and also set up settle and a fire so they will not get cold out side and when they and when they got there they had left some supplies for a long time.
And when he left for supplies it took 3 years to return to Roanoke. And when he got there he found the island deserted and a carve in carve in the tree and it said CRO so he think that they just left but no one knows what happen