Consider the following statements about the Rowlatt Act and its consequences:

1. The Rowlatt Act granted the British government extensive powers of detention and censorship.
2. Gandhi’s opposition to the Act included forming the Satyagraha Sabha to organize nationwide protests.
3. The Jallianwala Bagh massacre that followed the protests was officially condemned by the Hunter Commission, leading to legal action against General Dyer.
4. The Act led to a significant radicalization of the nationalist movement, prompting many Indians to demand complete independence rather than moderate reforms.

Which of these statements are correct