"It was only when I began to learn that my boyhood freedom was just an illusion " Why does - English - Reading Comprehension

Question

"It was only when I began to learn that my boyhood freedom was just
an illusion " Why does Nelson Mandela say this? ( The long Walk To
Freedom, First Flight)

Antara Patra · Accepted Answer

Solution:

When Mandela became an adult, he realised that freedom was merely
an illusion and temporary in nature for the black-skinned people of
his country He felt that they were treated as slaves of
exploitation and all the people of his race were treated unfairly
by the white-skinned people

"It was only when I began to learn that my boyhood freedom was just an illusion.." Why does Nelson Mandela say this? ( The long Walk To Freedom, First Flight)