Which of the following statements are correct?

(A) In Canada, the federation was not a voluntary union but was imposed by an Act

(B) In India, the Act of 1935 created autonomous units and forged them into a federation

(C) The American Union was formed by voluntary agreement among a number of sovereign states

(D) Indian constitution has been framed by the States and not by the people of India

Choose the correct answer from the options given below:‐