The answer is canoes, evidence found by Scientists indicates that Old
Stone Age people traveled across the open ocean in canoes, possibly up
to 70,000 years ago. They had no navigational instruments to speak of,
so this was a perilous journey and undoubtedly many would have been
lost on the way.
C. because his mother was dead
For the first one i'd say the answer is C
and for the second one i'd say the answer is C