Answer:
Nkrumah said that the the most significant happening of the twentieth century is the people who had been exploited and suppressed for long, are finally standing up for their rights against the powers that have kept them in subjection.
Step-by-step explanation:
Solution
According to Nkrumah, who was the leader in the fight for Ghana's independence, he said that the most significant happening of the twentieth century is the exploited and suppressed people who are finally standing up against the powers that have kept them in oppression.
He was Opposed to colonialism because, he felt like the foreign power is just taking territories for its own economic benefit.