Arrange the following in a chronological sequence

I. Second round table conference

II. Establishment of depressed class association

III. Breaking of salt law and beginning of civil disobedience movement

IV. Lahore Congress

Arrange the following historical developments in a chronological sequence

(I) Poona Act

(II) Lahore congress; demand of ‘Purna Swaraj’

(III) Establishment of oppressed class Association by Sh. B.R. Ambedkar

(IV) Second round table conference

Statement  I: Simon Commission was opposed by all the political parties in India

Statement II: Lord Irwin announced inclusion of $80$% Indian members into the Simon Commission

Select the correct order of events related to the freedom struggle starting from North to South.

A. Dandi Sathyagraha took place

B. The Moplah uprising against British

C. The declaration of Poorna Swaraj

D. The Quit India movement was launched

Which of the following active step(s) was/were taken by Congress in $1923$ to eradicate untouchability from India?
$1.$ Effort to educate and mobilize opinion among caste Hindus
$2.$ Efforts to educate the 'avarnas' about the evils of untouchability
$3.$ Forcibly open the doors of temples for 'avarnas'
$4.$ Petition the Government to pass laws that would declare untouchability unlawful.

Select the correct answer using the code given below: