Question

What is a meaning of might play a big role in determining the course of our lives

Answer 1

$\huge\underline\mathfrak{Answer :-}$

If something or someone plays a part or plays a role in a situation, they are involved in it and have an effect on it. They played a part in the life of their community.

Answer 2

$\huge\underline\bold\orange{Answer}$

If something or someone plays a part or plays a role in a situation, they are involved in it and have an effect on it. They played a part in the life of their community.