Answer: (b) Only two statements
Explanation: While statement 1 is correct, statement 2 is incorrect as the impact of colonialism is still relevant in understanding the problems and dangers of the world we live in. Statement 3 is correct as many of our contemporary issues can be traced directly to the impact of imperialism and the policies of colonial rulers. Statement 4 is incorrect as there are residual problems from the end of the era of colonisation that remain stalemated today.