Question

Why has it been necessary to make changes in the constitution by methods in addition?

Answer 1

The reasons why it has been necessary to amend the constitution by methods of addition its because society continues to developed and therefore the law has to evolve with it for the law to be able to still have a control over the behaviour of society.

Step-by-step explanation:

Answer 2

Because the need to "repeal" amendments was sometimes necessary and desired by the people, as in the 18th amendment.