[3] The Brotherhood however refrained from participation in elections, having inherited the Republican Party's historically disdain for the political process.
[4] In spite of this the Brotherhood's influence in Sudanese politics grew up until the execution of Taha in 1985, with the party having particularly swelled in the years leading up to 1985, largely due to an influx of students, women, and Muslim intellectuals.
Taha spent brief periods in jail during the 1960s and 1970s, whilst the membership of the Republican Brotherhood grew to approximately 1,000 active men and women by 1980.
[5] The Republican Brothers, who are still under the ban by the Government of Sudan, are practicing either non-publicly or publicly in diaspora, UK or United States where they found safe haven and freedom.
Mahmood Taha's book "The Second Message of Islam" puts forth the radical idea that the Medinan verses concerning legal and social issues that arose after the Hijrah are time-bound to that period.
The Republican Brotherhood particularly focused on issues relating to the lack of human rights and equality in the treatment of women and non-Muslims in modern Islamic societies.