According to evidence found by scientists where did old stone age people travel across open oceans in rafts or canoes?

a. from western europe to africa

b. from south america to cuba

c. from japan to south africa

d. from southeast asia to australia

The Answer is option d.
Old Stone Age people travel across open oceans in rafts or canoes from Southeast Asia to Australia.
This was about at least 40,000 years ago. Old stone age period is also known as Paleolithic. Old age is also divided into three periods from start to end.
The word Palaeolithic is derived from the Greek words : palaios which means old means composed of stones.

The u.s. got world power