Why did eoin macneill go to prison?

Eoin MacNeill was imprisoned primarily for his opposition to the British government's policies in Ireland and his involvement in the Easter Rising of 1916. Although he initially opposed the Rising, he later supported the movement for Irish independence. His political activities and leadership in the nationalist movement led to his arrest and imprisonment by British authorities. MacNeill's imprisonment highlighted the tensions surrounding the struggle for Irish self-determination during that period.